{"id":10674,"date":"2020-07-31T20:34:33","date_gmt":"2020-08-01T00:34:33","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/chapter\/solve-linear-inequalities\/"},"modified":"2021-03-22T13:30:48","modified_gmt":"2021-03-22T17:30:48","slug":"5-review","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/chapter\/5-review\/","title":{"raw":"5.8 Chapter Review","rendered":"5.8 Chapter Review"},"content":{"raw":"[latexpage]\r\n<h1 data-type=\"title\">Review Exercises<\/h1>\r\n<h2 id=\"fs-id1168345424269\">Verify a Solution of an Equation<\/h2>\r\n<p id=\"fs-id1169749620413\">In the following exercises, determine whether each number is a solution to the equation.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%; height: 49px;\" border=\"0\">\r\n<tbody>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"height: 16px;\">1. \\(w-8=5,\\phantom{\\rule{0.2em}{0ex}}w=3\\)<\/td>\r\n<td style=\"height: 16px;\">2. \\(x+16=31,\\phantom{\\rule{0.2em}{0ex}}x=15\\)<\/td>\r\n<\/tr>\r\n<tr style=\"height: 33px;\">\r\n<td style=\"height: 33px;\">3. \\(4a=72,\\phantom{\\rule{0.2em}{0ex}}a=18\\)<\/td>\r\n<td style=\"height: 33px;\">4.\\(-9n=45,\\phantom{\\rule{0.2em}{0ex}}n=54\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h2>Solve Equations using the Subtraction and Addition Properties of Equality<\/h2>\r\n<p id=\"fs-id1169748362537\">In the following exercises, solve each equation using the Subtraction Property of Equality.<\/p>\r\n\r\n<div data-type=\"exercise\">\r\n<div id=\"fs-id1518010\" data-type=\"problem\">\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">5. \\(y+2=-6\\)<\/td>\r\n<td style=\"width: 50%;\">6. \\(x+7=19\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">7. \\(n+3.6=5.1\\)<\/td>\r\n<td style=\"width: 50%;\">8. \\(a+\\frac{1}{3}=\\frac{5}{3}\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n<div id=\"fs-id1168341917574\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345440136\" data-type=\"problem\">\r\n<p id=\"fs-id1168345440138\">In the following exercises, solve each equation using the Addition Property of Equality.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">9. \\(x-9=-4\\)<\/td>\r\n<td style=\"width: 50%; height: 14px;\">10. \\(u-7=10\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">11. \\(p-4.8=14\\)<\/td>\r\n<td style=\"width: 50%;\">12. \\(c-\\frac{3}{11}=\\frac{9}{11}\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1168345511679\">In the following exercises, solve each equation.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">13. \\(y+16=-9\\)<\/td>\r\n<td style=\"width: 50%;\">14. \\(n-12=32\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">15. \\(d-3.9=8.2\\)<\/td>\r\n<td style=\"width: 50%;\">16. \\(f+\\frac{2}{3}=4\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h2 id=\"fs-id1168342104257\">Solve Equations That Require Simplification<\/h2>\r\n<p id=\"fs-id1169745447709\">In the following exercises, solve each equation.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">17. \\(7x+10-6x+3=5\\)<\/td>\r\n<td style=\"width: 50%;\">18. \\(y+8-15=-3\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">19. \\(8\\left(3p+5\\right)-23\\left(p-1\\right)=35\\)<\/td>\r\n<td style=\"width: 50%;\">20. \\(6\\left(n-1\\right)-5n=-14\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345652348\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345652350\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345688254\">Translate to an Equation and Solve<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169749957225\">In the following exercises, translate each English sentence into an algebraic equation and then solve it.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">21. Four less than \\(n\\) is 13.<\/td>\r\n<td style=\"width: 50%;\">22. The sum of \\(-6\\) and \\(m\\) is 25.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345418863\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345418866\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345670263\">Translate and Solve Applications<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169751915847\">In the following exercises, translate into an algebraic equation and solve.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">23. Tan weighs 146 pounds. Minh weighs 15 pounds more than Tan. How much does Minh weigh?<\/td>\r\n<td style=\"width: 50%;\">24. Rochelle\u2019s daughter is 11 years old. Her son is 3 years younger. How old is her son?<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">25. Elissa earned \\$152.84 this week, which was \\$21.65 more than she earned last week. How much did she earn last week?<\/td>\r\n<td style=\"width: 50%;\">26. Peter paid \\$9.75 to go to the movies, which was \\$46.25 less than he paid to go to a concert. How much did he pay for the concert?<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168341960815\" data-type=\"exercise\">\r\n<div id=\"fs-id1168341960818\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345656001\">Solve Equations Using the Division and Multiplication Properties of Equality<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169745433529\">In the following exercises, solve each equation using the division and multiplication properties of equality and check the solution.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">27. \\(13a=-65\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">28. \\(8x=72\\)<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">29. \\(-y=4\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">30. \\(0.25p=5.25\\)<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">31. \\(\\frac{y}{-10}=30\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">32. \\(\\frac{n}{6}=18\\)<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">33. \\(\\frac{5}{8}u=\\frac{15}{16}\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">34. \\(36=\\frac{3}{4}x\\)<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">35. \\(\\frac{c}{9}=36\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">36. \\(-18m=-72\\)<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">37. \\(\\frac{11}{12}=\\frac{2}{3}y\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">38. \\(0.45x=6.75\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345500484\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345500486\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345500488\">Solve Equations That Require Simplification<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169749481338\">In the following exercises, solve each equation requiring simplification.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">39. \\(24x+8x-11x=-7-14\\)<\/td>\r\n<td style=\"width: 50%;\">40. \\(5r-3r+9r=35-2\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">41. \\(-9\\left(d-2\\right)-15=-24\\)<\/td>\r\n<td style=\"width: 50%;\">42. \\(\\frac{11}{12}n-\\frac{5}{6}n=9-5\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168341861798\" data-type=\"exercise\">\r\n<div id=\"fs-id1168341861800\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168341916012\">Translate to an Equation and Solve<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169749761524\">In the following exercises, translate to an equation and then solve.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%; height: 32px;\" border=\"0\">\r\n<tbody>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">43. The quotient of <em data-effect=\"italics\">b<\/em> and and 9 is \\(-27\\).<\/td>\r\n<td style=\"width: 50%; height: 16px;\">44. 143 is the product of \\(-11\\) and <em data-effect=\"italics\">y<\/em>.<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">45. The difference of <em data-effect=\"italics\">s<\/em> and one-twelfth is one fourth.<\/td>\r\n<td style=\"width: 50%; height: 16px;\">46. The sum of <em data-effect=\"italics\">q<\/em> and one-fourth is one.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168341968060\" data-type=\"exercise\">\r\n<div id=\"fs-id1168341968062\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168341968064\">Translate and Solve Applications<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169752087874\">In the following exercises, translate into an equation and solve.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">47. Janet gets paid \\$24 per hour. She heard that this is \\(\\frac{3}{4}\\) of what Adam is paid. How much is Adam paid per hour?<\/td>\r\n<td style=\"width: 50%;\">48. Ray paid \\$21 for 12 tickets at the county fair. What was the price of each ticket?<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345510772\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345631657\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345631659\">Solve an Equation with Constants on Both Sides<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169744177563\">In the following exercises, solve the following equations with constants on both sides.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">49. \\(10w-5=65\\)<\/td>\r\n<td style=\"width: 50%;\">50. \\(8p+7=47\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">51. \\(32=-4-9n\\)<\/td>\r\n<td style=\"width: 50%;\">52. \\(3x+19=-47\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345561786\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345561788\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345561790\">Solve an Equation with Variables on Both Sides<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169748453525\">In the following exercises, solve the following equations with variables on both sides.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">53. \\(5a+21=2a\\)<\/td>\r\n<td style=\"width: 50%; height: 10px;\">54. \\(7y=6y-13\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">55. \\(4x-\\frac{3}{8}=3x\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">56. \\(k=-6k-35\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345560734\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345560736\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345665341\">Solve an Equation with Variables and Constants on Both Sides<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169754228816\">In the following exercises, solve the following equations with variables and constants on both sides.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">57. \\(5n-20=-7n-80\\)<\/td>\r\n<td style=\"width: 50%;\">58. \\(12x-9=3x+45\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">59. \\(\\frac{5}{8}c-4=\\frac{3}{8}c+4\\)<\/td>\r\n<td style=\"width: 50%;\">60. \\(4u+16=-19-u\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345522057\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345522059\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345522061\">Solve Equations Using the General Strategy for Solving Linear Equations<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169745168464\">In the following exercises, solve each linear equation.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%; height: 96px;\" border=\"0\">\r\n<tbody>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">61. \\(9\\left(2p-5\\right)=72\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">62. \\(6\\left(x+6\\right)=24\\)<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">63. \\(8+3\\left(n-9\\right)=17\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">64. \\(\\text{-}\\left(s+4\\right)=18\\)<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">65. \\(\\frac{1}{3}\\left(6m+21\\right)=m-7\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">66. \\(23-3\\left(y-7\\right)=8\\)<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">67. \\(0.25\\left(q-8\\right)=0.1\\left(q+7\\right)\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">68. \\(4\\left(3.5y+0.25\\right)=365\\)<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">69. \\(5+7\\left(2-5x\\right)=2\\left(9x+1\\right)\\) \\(-\\left(13x-57\\right)\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">70. \\(8\\left(r-2\\right)=6\\left(r+10\\right)\\)<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">71. \\(2\\left[-16+5\\left(8k-6\\right)\\right]\\) \\(=8\\left(3-4k\\right)-32\\)<\/td>\r\n<td style=\"width: 50%; height: 16px;\">72. \\(\\left(9n+5\\right)-\\left(3n-7\\right)\\) \\(=20-\\left(4n-2\\right)\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345525992\" class=\"material-set-2\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345525994\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345741450\">Classify Equations<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169749818089\">In the following exercises, classify each equation as a conditional equation, an identity, or a contradiction and then state the solution.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">73. \\(9u+32=15\\left(u-4\\right)\\) \\(-3\\left(2u+21\\right)\\)<\/td>\r\n<td style=\"width: 50%;\">74. \\(17y-3\\left(4-2y\\right)=11\\left(y-1\\right)\\) \\(+12y-1\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">75. \\(21\\left(c-1\\right)-19\\left(c+1\\right)\\) \\(=2\\left(c-20\\right)\\)<\/td>\r\n<td style=\"width: 50%;\">76. \\(-8\\left(7m+4\\right)=-6\\left(8m+9\\right)\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345633740\" class=\"material-set-2\" data-type=\"exercise\">\r\n<div id=\"fs-id1168341960661\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168341960663\">Solve Equations with Fraction Coefficients<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169749954497\">In the following exercises, solve each equation with fraction coefficients.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">77. \\(\\frac{1}{3}x+\\frac{1}{5}x=8\\)<\/td>\r\n<td style=\"width: 50%;\">78. \\(\\frac{2}{5}n-\\frac{1}{10}=\\frac{7}{10}\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">79. \\(\\frac{1}{2}\\left(k-3\\right)=\\frac{1}{3}\\left(k+16\\right)\\)<\/td>\r\n<td style=\"width: 50%;\">80. \\(\\frac{3}{4}a-\\frac{1}{3}=\\frac{1}{2}a-\\frac{5}{6}\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">81. \\(\\frac{5y-1}{3}+4=\\frac{-8y+4}{6}\\)<\/td>\r\n<td style=\"width: 50%;\">82. \\(\\frac{3x-2}{5}=\\frac{3x+4}{8}\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345540218\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345540220\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345540222\">Solve Equations with Decimal Coefficients<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169749514834\">In the following exercises, solve each equation with decimal coefficients.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">83. \\(0.36u+2.55=0.41u+6.8\\)<\/td>\r\n<td style=\"width: 50%;\">84. \\(0.8x-0.3=0.7x+0.2\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345329536\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345329538\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345329540\">Use the Distance, Rate, and Time Formula<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169749515402\">In the following exercises, solve.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">85. Mallory is taking the bus from Edmonton to North Battleford. The distance is 300 miles and the bus travels at a steady rate of 60 miles per hour. How long will the bus ride be?<\/td>\r\n<td style=\"width: 50%;\">86. Natalie drove for \\(7\\frac{1}{2}\\) hours at 60 miles per hour. How much distance did she travel?<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">87. Link rode his bike at a steady rate of 15 miles per hour for \\(2\\frac{1}{2}\\) hours. How much distance did he travel?<\/td>\r\n<td style=\"width: 50%;\">88. Aaron\u2019s friend drove him from Williams Lake to Kamloops. The distance is 187 miles and the trip took 2.75 hours. How fast was Aaron\u2019s friend driving?<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div id=\"fs-id1168345707178\" data-type=\"exercise\">\r\n<div id=\"fs-id1168345707180\" data-type=\"problem\">\r\n<h2 id=\"fs-id1168345707183\">Solve a Formula for a Specific Variable<\/h2>\r\n<\/div>\r\n<\/div>\r\n<p id=\"fs-id1169752006047\">In the following exercises, solve.<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr style=\"height: 52px;\">\r\n<td style=\"width: 50%; height: 52px;\">89. Use the formula. \\(d=rt\\) to solve for \\(r\\)\r\na) when when \\(d=451\\) and \\(t=5.5\\)\r\nb) in general<\/td>\r\n<td style=\"width: 50%; height: 52px;\">90. Use the formula. \\(d=rt\\) to solve for <em data-effect=\"italics\">t<\/em>\r\na) when \\(d=510\\) and \\(r=60\\)\r\nb) in general<\/td>\r\n<\/tr>\r\n<tr style=\"height: 52px;\">\r\n<td style=\"width: 50%; height: 52px;\">91. Use the formula \\(A=\\frac{1}{2}bh\\) to solve for \\(h\\)\r\na) when \\(A=153\\) and \\(b=18\\)\r\nb) in general<\/td>\r\n<td style=\"width: 50%; height: 52px;\">92. Use the formula \\(A=\\frac{1}{2}bh\\) to solve for \\(b\\)\r\na) when \\(A=390\\) and \\(h=26\\)\r\nb) in general<\/td>\r\n<\/tr>\r\n<tr style=\"height: 52px;\">\r\n<td style=\"width: 50%; height: 52px;\">93. Solve the formula \\(4x+3y=6\\) for <em data-effect=\"italics\">y<\/em>\r\na) when \\(x=-2\\)\r\nb) in general<\/td>\r\n<td style=\"width: 50%; height: 52px;\">94. Use the formula \\(I=Prt\\) to solve for the principal, <em data-effect=\"italics\">P<\/em> for\r\na) \\(I=\\$2,501\\),\\(r=4.1\\%\\),\\(t=5\\phantom{\\rule{0.2em}{0ex}}\\text{years}\\)\r\nb) in general<\/td>\r\n<\/tr>\r\n<tr style=\"height: 16px;\">\r\n<td style=\"width: 50%; height: 16px;\">95. Solve the formula \\(V=LWH\\) for \\(H\\).<\/td>\r\n<td style=\"width: 50%; height: 16px;\">96. Solve \\(180=a+b+c\\) for \\(c\\).<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h2 data-type=\"title\">Everyday Math<\/h2>\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 100%;\">97. Describe how you have used two topics from this chapter in your life outside of your math class during the past month.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h1 id=\"fs-id1168342079156\">Review Exercises Answers<\/h1>\r\n<table border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td>1. no<\/td>\r\n<td>3. yes<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5. \\(y=-8\\)<\/td>\r\n<td>7. \\(n=1.5\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>9. \\(x=5\\)<\/td>\r\n<td>11. \\(p=18.8\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>13. \\(y=-25\\)<\/td>\r\n<td>15. \\(d=12.1\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>17. \\(x=-8\\)<\/td>\r\n<td>19. \\(p=-28\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>21. \\(n-4=13;n=17\\)<\/td>\r\n<td>23. 161 pounds<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>25. \\$131.19<\/td>\r\n<td>27. \\(a=-5\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>29. \\(y=-4\\)<\/td>\r\n<td>31. \\(y=-300\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>33. \\(u=\\frac{3}{2}\\)<\/td>\r\n<td>35. \\(c=324\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>37. \\(y=\\frac{11}{8}\\)<\/td>\r\n<td>39. \\(x=-1\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>41. \\(d=3\\)<\/td>\r\n<td>43. \\(\\frac{b}{9}=-27;b=-243\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>45. \\(s-\\frac{1}{12}=\\frac{1}{4};s=\\frac{1}{3}\\)<\/td>\r\n<td>47. \\$32<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>49. \\(w=7\\)<\/td>\r\n<td>51. \\(n=-4\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>53. \\(a=-7\\)<\/td>\r\n<td>55. \\(x=\\frac{3}{8}\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>57. \\(n=-5\\)<\/td>\r\n<td>59. \\(c=32\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>61. \\(p=\\frac{13}{2}\\)<\/td>\r\n<td>63. \\(n=12\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>65. \\(m=-14\\)<\/td>\r\n<td>67. \\(q=18\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>69. \\(x=-1\\)<\/td>\r\n<td>71. \\(k=\\frac{3}{4}\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>73. contradiction; no solution<\/td>\r\n<td>75. identity; all real numbers<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>77. \\(x=15\\)<\/td>\r\n<td>79. \\(k=41\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>81. \\(y=-1\\)<\/td>\r\n<td>83. \\(u=-85\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>85. 5 hours<\/td>\r\n<td>87. 37.5 miles<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>89. a)\\(r=82\\phantom{\\rule{0.2em}{0ex}}\\text{mph}\\); b)\\(r=\\frac{D}{t}\\)<\/td>\r\n<td>91. a)\\(h=17\\)b)\\(h=\\frac{2A}{b}\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>93. a)\\(y=\\frac{14}{3}\\)b)\\(y=\\frac{6-4x}{3}\\)<\/td>\r\n<td>95. \\(H=\\frac{V}{LW}\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h1 data-type=\"title\">Practice Test<\/h1>\r\n<div id=\"fs-id1168341977735\" data-type=\"exercise\">\r\n<div id=\"fs-id1168341977737\" data-type=\"problem\">\r\n<p id=\"fs-id1168341977739\">Determine whether each number is a solution to the equation \\(3x+5=20\\).<\/p>\r\n\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 100%;\">1.\r\na) 5\r\nb) \\(\\frac{23}{5}\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nIn the following exercises, solve each equation.\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 50%;\">2. \\(n-18=31\\)<\/td>\r\n<td style=\"width: 50%;\">3. \\(9c=144\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">4. \\(4y-8=16\\)<\/td>\r\n<td style=\"width: 50%;\">5. \\(-8x-15+9x-1=-21\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">6. \\(-15a=120\\)<\/td>\r\n<td style=\"width: 50%;\">7. \\(\\frac{2}{3}x=6\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">8. \\(x-3.8=8.2\\)<\/td>\r\n<td style=\"width: 50%;\">9. \\(10y=-5y-60\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">10. \\(8n-2=6n-12\\)<\/td>\r\n<td style=\"width: 50%;\">11. \\(9m-2-4m-m=42-8\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">12. \\(-5\\left(2x-1\\right)=45\\)<\/td>\r\n<td style=\"width: 50%;\">13. \\(\\text{-}\\left(d-9\\right)=23\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">14. \\(\\frac{1}{4}\\left(12m-28\\right)=6-2\\left(3m-1\\right)\\)<\/td>\r\n<td style=\"width: 50%;\">15. \\(2\\left(6x-5\\right)-8=-22\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">16.\\(8\\left(3a-5\\right)-7\\left(4a-3\\right)=20-3a\\)<\/td>\r\n<td style=\"width: 50%;\">17. \\(\\frac{1}{4}p-\\frac{1}{3}=\\frac{1}{2}\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">18. \\(0.1d+0.25\\left(d+8\\right)=4.1\\)<\/td>\r\n<td style=\"width: 50%;\">19. \\(14n-3\\left(4n+5\\right)=-9+2\\left(n-8\\right)\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">20. \\(9\\left(3u-2\\right)-4\\left[6-8\\left(u-1\\right)\\right]\\)\\(=3\\left(u-2\\right)\\)<\/td>\r\n<td style=\"width: 50%;\">21. Solve the formula \\(x-2y=5\\) for <em data-effect=\"italics\">y<\/em>\r\na) when \\(x=-3\\)\r\nb) in general<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 50%;\">22. Samuel paid \\$25.82 for gas this week, which was \\$3.47 less than he paid last week. How much had he paid last week?<\/td>\r\n<td style=\"width: 50%;\"><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n<h1 id=\"fs-id1168342079156\">Practice Test Answers<\/h1>\r\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"0\">\r\n<tbody>\r\n<tr>\r\n<td style=\"width: 68.1901%;\">1. a) yes b) no<\/td>\r\n<td style=\"width: 31.8099%;\">2. \\(n=49\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 68.1901%;\">3. \\(c=16\\)<\/td>\r\n<td style=\"width: 31.8099%;\">4. \\(y=6\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 68.1901%;\">5. \\(x=-5\\)<\/td>\r\n<td style=\"width: 31.8099%;\">6. \\(a=8\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 68.1901%;\">7. \\(x=9\\)<\/td>\r\n<td style=\"width: 31.8099%;\">8. \\(x=12\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 68.1901%;\">9. \\(y=-4\\)<\/td>\r\n<td style=\"width: 31.8099%;\">10. \\(n=-5\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 68.1901%;\">11. \\(m=9\\)<\/td>\r\n<td style=\"width: 31.8099%;\">12. \\(x=-4\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 68.1901%;\">13. \\(d=-14\\)<\/td>\r\n<td style=\"width: 31.8099%;\">14. \\(m=\\frac{5}{3}\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 68.1901%;\">15. \\(x=-\\frac{1}{3}\\)<\/td>\r\n<td style=\"width: 31.8099%;\">16. \\(a=-39\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 68.1901%;\">17. \\(p=\\frac{10}{3}\\)<\/td>\r\n<td style=\"width: 31.8099%;\">18. \\(d=6\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 68.1901%;\">19. contradiction; no solution<\/td>\r\n<td style=\"width: 31.8099%;\">20. \\(u=\\frac{17}{14}\\)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"width: 68.1901%;\">21. a) \\(y=4\\) b) \\(y=\\frac{5-x}{2}\\)<\/td>\r\n<td style=\"width: 31.8099%;\">22. \\(\\$29.29\\)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h1>\r\nAttributions<\/h1>\r\nThis chapter has been adapted from \"Review Exercises\" and \"Practice Test\" in Chapter 2 of <a href=\"https:\/\/openstax.org\/details\/books\/elementary-algebra\"><em>Elementary Algebra<\/em> (OpenStax)<\/a> by Lynn Marecek and MaryAnne Anthony-Smith, which is under a <a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY 4.0 Licence<\/a>. Adapted by Izabela Mazur. See the Copyright page for more information.","rendered":"<h1 data-type=\"title\">Review Exercises<\/h1>\n<h2 id=\"fs-id1168345424269\">Verify a Solution of an Equation<\/h2>\n<p id=\"fs-id1169749620413\">In the following exercises, determine whether each number is a solution to the equation.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; height: 49px;\">\n<tbody>\n<tr style=\"height: 16px;\">\n<td style=\"height: 16px;\">1. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-c3ad77af3a877929bc7d38f49cb83574_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#119;&#45;&#56;&#61;&#53;&#44;&#92;&#112;&#104;&#97;&#110;&#116;&#111;&#109;&#123;&#92;&#114;&#117;&#108;&#101;&#123;&#48;&#46;&#50;&#101;&#109;&#125;&#123;&#48;&#101;&#120;&#125;&#125;&#119;&#61;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"133\" style=\"vertical-align: -4px;\" \/><\/td>\n<td style=\"height: 16px;\">2. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-bc9e84c498bc7c620d184a031df96a89_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#43;&#49;&#54;&#61;&#51;&#49;&#44;&#92;&#112;&#104;&#97;&#110;&#116;&#111;&#109;&#123;&#92;&#114;&#117;&#108;&#101;&#123;&#48;&#46;&#50;&#101;&#109;&#125;&#123;&#48;&#101;&#120;&#125;&#125;&#120;&#61;&#49;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"153\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr style=\"height: 33px;\">\n<td style=\"height: 33px;\">3. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-fa9c861557ce98f51cb2911f17ad9f69_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#52;&#97;&#61;&#55;&#50;&#44;&#92;&#112;&#104;&#97;&#110;&#116;&#111;&#109;&#123;&#92;&#114;&#117;&#108;&#101;&#123;&#48;&#46;&#50;&#101;&#109;&#125;&#123;&#48;&#101;&#120;&#125;&#125;&#97;&#61;&#49;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"122\" style=\"vertical-align: -4px;\" \/><\/td>\n<td style=\"height: 33px;\">4.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-45d70a221928de3a1ea0fba0eb7ae028_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#57;&#110;&#61;&#52;&#53;&#44;&#92;&#112;&#104;&#97;&#110;&#116;&#111;&#109;&#123;&#92;&#114;&#117;&#108;&#101;&#123;&#48;&#46;&#50;&#101;&#109;&#125;&#123;&#48;&#101;&#120;&#125;&#125;&#110;&#61;&#53;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"137\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Solve Equations using the Subtraction and Addition Properties of Equality<\/h2>\n<p id=\"fs-id1169748362537\">In the following exercises, solve each equation using the Subtraction Property of Equality.<\/p>\n<div data-type=\"exercise\">\n<div id=\"fs-id1518010\" data-type=\"problem\">\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">5. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b108db10af21a7ad7be72807ac7b4e90_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#43;&#50;&#61;&#45;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"86\" style=\"vertical-align: -4px;\" \/><\/td>\n<td style=\"width: 50%;\">6. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-969b0484facaf4abd4e21ebc3d9204ed_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#43;&#55;&#61;&#49;&#57;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"82\" style=\"vertical-align: -2px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">7. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-05dbdce0d1d38f7083b8bf0853f246d5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#43;&#51;&#46;&#54;&#61;&#53;&#46;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"101\" style=\"vertical-align: -2px;\" \/><\/td>\n<td style=\"width: 50%;\">8. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-17fee79ecf3ee405a67f6054fb162476_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#43;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#51;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"74\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div id=\"fs-id1168341917574\" data-type=\"exercise\">\n<div id=\"fs-id1168345440136\" data-type=\"problem\">\n<p id=\"fs-id1168345440138\">In the following exercises, solve each equation using the Addition Property of Equality.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">9. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-71117669e84b81b40a9bb09a26f4d277_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#45;&#57;&#61;&#45;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"87\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 50%; height: 14px;\">10. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-e19e488979946740b09701f6c23c0568_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#45;&#55;&#61;&#49;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"82\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">11. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-cf6738e337526fa1e205045aa9df808b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#45;&#52;&#46;&#56;&#61;&#49;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"96\" style=\"vertical-align: -4px;\" \/><\/td>\n<td style=\"width: 50%;\">12. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-c1fee6c2bdc3d0de5ba5d70723c04656_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#99;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#51;&#125;&#123;&#49;&#49;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#57;&#125;&#123;&#49;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"87\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p id=\"fs-id1168345511679\">In the following exercises, solve each equation.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">13. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-6a970e4fdaf61be522098a0d9348b90b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#43;&#49;&#54;&#61;&#45;&#57;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"95\" style=\"vertical-align: -4px;\" \/><\/td>\n<td style=\"width: 50%;\">14. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-9ffe42f55201bc3d3f51560c1566432a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#45;&#49;&#50;&#61;&#51;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"91\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">15. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-03df0b1be8c0cd9d9f0d6209bc915669_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#45;&#51;&#46;&#57;&#61;&#56;&#46;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"99\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 50%;\">16. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-fc95f52c15276760b8a918b26c96b2f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#102;&#43;&#92;&#102;&#114;&#97;&#99;&#123;&#50;&#125;&#123;&#51;&#125;&#61;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"76\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"fs-id1168342104257\">Solve Equations That Require Simplification<\/h2>\n<p id=\"fs-id1169745447709\">In the following exercises, solve each equation.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">17. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-5d8ed6382edd138206268ee02431643b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#55;&#120;&#43;&#49;&#48;&#45;&#54;&#120;&#43;&#51;&#61;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"161\" style=\"vertical-align: -2px;\" \/><\/td>\n<td style=\"width: 50%;\">18. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-7b26c32f891399f1ed82867a0bbfc81a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#43;&#56;&#45;&#49;&#53;&#61;&#45;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"126\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">19. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-15870e8c0218dd2105cd866e72b90305_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#56;&#92;&#108;&#101;&#102;&#116;&#40;&#51;&#112;&#43;&#53;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#45;&#50;&#51;&#92;&#108;&#101;&#102;&#116;&#40;&#112;&#45;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#51;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"210\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%;\">20. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-a2bfa51ef5ceceb6eaaf81fbd3ad125a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#54;&#92;&#108;&#101;&#102;&#116;&#40;&#110;&#45;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#45;&#53;&#110;&#61;&#45;&#49;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"164\" style=\"vertical-align: -5px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345652348\" data-type=\"exercise\">\n<div id=\"fs-id1168345652350\" data-type=\"problem\">\n<h2 id=\"fs-id1168345688254\">Translate to an Equation and Solve<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169749957225\">In the following exercises, translate each English sentence into an algebraic equation and then solve it.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">21. Four less than <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-ecde6e9783e3b0e038579e759c75f0e6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\" \/> is 13.<\/td>\n<td style=\"width: 50%;\">22. The sum of <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-92ad37e0607c2c5d972b16d5b3942077_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"22\" style=\"vertical-align: 0px;\" \/> and <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d66190fd21a1ec7f9682095f7485ed4a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\" \/> is 25.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345418863\" data-type=\"exercise\">\n<div id=\"fs-id1168345418866\" data-type=\"problem\">\n<h2 id=\"fs-id1168345670263\">Translate and Solve Applications<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169751915847\">In the following exercises, translate into an algebraic equation and solve.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">23. Tan weighs 146 pounds. Minh weighs 15 pounds more than Tan. How much does Minh weigh?<\/td>\n<td style=\"width: 50%;\">24. Rochelle\u2019s daughter is 11 years old. Her son is 3 years younger. How old is her son?<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">25. Elissa earned &#36;152.84 this week, which was &#36;21.65 more than she earned last week. How much did she earn last week?<\/td>\n<td style=\"width: 50%;\">26. Peter paid &#36;9.75 to go to the movies, which was &#36;46.25 less than he paid to go to a concert. How much did he pay for the concert?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168341960815\" data-type=\"exercise\">\n<div id=\"fs-id1168341960818\" data-type=\"problem\">\n<h2 id=\"fs-id1168345656001\">Solve Equations Using the Division and Multiplication Properties of Equality<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169745433529\">In the following exercises, solve each equation using the division and multiplication properties of equality and check the solution.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">27. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-0ab367380977c782febfab2fd570137d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#51;&#97;&#61;&#45;&#54;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"81\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">28. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-0936b3d56f6fa892e5bf374f0000675d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#56;&#120;&#61;&#55;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"60\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">29. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-4811e92aa7d729c24f2733b8a30c834e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#121;&#61;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"55\" style=\"vertical-align: -4px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">30. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-9e5fa8a727b4c381aad17f94934d7b36_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#46;&#50;&#53;&#112;&#61;&#53;&#46;&#50;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"95\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">31. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b46db4a2e7ae0064f287ba1c5ea05e94_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#121;&#125;&#123;&#45;&#49;&#48;&#125;&#61;&#51;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"68\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">32. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-760654fa982cf0bcf46094e593a4f467_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#110;&#125;&#123;&#54;&#125;&#61;&#49;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"52\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">33. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-a757122864751d633dfffff3911b5e7e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#56;&#125;&#117;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#53;&#125;&#123;&#49;&#54;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"58\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">34. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-8e3f71e9efe5f8cc5bbc013067a4a6a1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#54;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#51;&#125;&#123;&#52;&#125;&#120;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"62\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">35. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-fca07cff827cd6e0c544fd3ea71cd890_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#99;&#125;&#123;&#57;&#125;&#61;&#51;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"50\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">36. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-18c44eb347c5f1367a9e506041126980_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#49;&#56;&#109;&#61;&#45;&#55;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"101\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">37. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-784e748c9b447e95e8cf2028f88c902d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#49;&#125;&#123;&#49;&#50;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#50;&#125;&#123;&#51;&#125;&#121;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"59\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">38. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-a4a0da517a956dbd0480d9a9d69decb8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#46;&#52;&#53;&#120;&#61;&#54;&#46;&#55;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"96\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345500484\" data-type=\"exercise\">\n<div id=\"fs-id1168345500486\" data-type=\"problem\">\n<h2 id=\"fs-id1168345500488\">Solve Equations That Require Simplification<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169749481338\">In the following exercises, solve each equation requiring simplification.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">39. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-c2b6832594143429008a34fdddd0ff99_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#52;&#120;&#43;&#56;&#120;&#45;&#49;&#49;&#120;&#61;&#45;&#55;&#45;&#49;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"204\" style=\"vertical-align: -2px;\" \/><\/td>\n<td style=\"width: 50%;\">40. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-f8e7a292948e79cc60a571e7be616ecf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#53;&#114;&#45;&#51;&#114;&#43;&#57;&#114;&#61;&#51;&#53;&#45;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"166\" style=\"vertical-align: -2px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">41. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-a5fa6c74329cb429be75851a8814049e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#57;&#92;&#108;&#101;&#102;&#116;&#40;&#100;&#45;&#50;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#45;&#49;&#53;&#61;&#45;&#50;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"173\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%;\">42. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-ddffb14f671810fa3a82f7c66f3f773f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#49;&#125;&#123;&#49;&#50;&#125;&#110;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;&#110;&#61;&#57;&#45;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"132\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168341861798\" data-type=\"exercise\">\n<div id=\"fs-id1168341861800\" data-type=\"problem\">\n<h2 id=\"fs-id1168341916012\">Translate to an Equation and Solve<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169749761524\">In the following exercises, translate to an equation and then solve.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; height: 32px;\">\n<tbody>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">43. The quotient of <em data-effect=\"italics\">b<\/em> and and 9 is <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-caf28100779af925decc5fca82b2d213_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#50;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"31\" style=\"vertical-align: 0px;\" \/>.<\/td>\n<td style=\"width: 50%; height: 16px;\">44. 143 is the product of <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-7abc6efd7f9af9bed2285a8abaa5fc30_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#49;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"30\" style=\"vertical-align: 0px;\" \/> and <em data-effect=\"italics\">y<\/em>.<\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">45. The difference of <em data-effect=\"italics\">s<\/em> and one-twelfth is one fourth.<\/td>\n<td style=\"width: 50%; height: 16px;\">46. The sum of <em data-effect=\"italics\">q<\/em> and one-fourth is one.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168341968060\" data-type=\"exercise\">\n<div id=\"fs-id1168341968062\" data-type=\"problem\">\n<h2 id=\"fs-id1168341968064\">Translate and Solve Applications<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169752087874\">In the following exercises, translate into an equation and solve.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">47. Janet gets paid &#36;24 per hour. She heard that this is <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b5c8c9a183cece3e98b7b8975d3b4938_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#51;&#125;&#123;&#52;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"7\" style=\"vertical-align: -6px;\" \/> of what Adam is paid. How much is Adam paid per hour?<\/td>\n<td style=\"width: 50%;\">48. Ray paid &#36;21 for 12 tickets at the county fair. What was the price of each ticket?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345510772\" data-type=\"exercise\">\n<div id=\"fs-id1168345631657\" data-type=\"problem\">\n<h2 id=\"fs-id1168345631659\">Solve an Equation with Constants on Both Sides<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169744177563\">In the following exercises, solve the following equations with constants on both sides.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">49. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-32a36a19f7e2e0d0531639d70ae2c762_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#119;&#45;&#53;&#61;&#54;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"101\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 50%;\">50. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-e4030deb8bd5780a4debeba9f130f519_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#56;&#112;&#43;&#55;&#61;&#52;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"90\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">51. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-a7fa9e2292169d577facae8470d6ad28_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#50;&#61;&#45;&#52;&#45;&#57;&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"106\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 50%;\">52. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-00a4cd533e6fcc424fe93eb3e82170e7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#120;&#43;&#49;&#57;&#61;&#45;&#52;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"114\" style=\"vertical-align: -2px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345561786\" data-type=\"exercise\">\n<div id=\"fs-id1168345561788\" data-type=\"problem\">\n<h2 id=\"fs-id1168345561790\">Solve an Equation with Variables on Both Sides<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169748453525\">In the following exercises, solve the following equations with variables on both sides.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">53. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-181e4d1ca1bffe2495afadc636b73049_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#53;&#97;&#43;&#50;&#49;&#61;&#50;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"99\" style=\"vertical-align: -2px;\" \/><\/td>\n<td style=\"width: 50%; height: 10px;\">54. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-39d312dcc4b64f67fd070588e1e60e12_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#55;&#121;&#61;&#54;&#121;&#45;&#49;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"100\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">55. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-cf5c6ed83538e8c51019fb8acec04f3b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#52;&#120;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#51;&#125;&#123;&#56;&#125;&#61;&#51;&#120;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"94\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">56. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-38b710f531687fc054f3136226af9ed6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;&#61;&#45;&#54;&#107;&#45;&#51;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"105\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345560734\" data-type=\"exercise\">\n<div id=\"fs-id1168345560736\" data-type=\"problem\">\n<h2 id=\"fs-id1168345665341\">Solve an Equation with Variables and Constants on Both Sides<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169754228816\">In the following exercises, solve the following equations with variables and constants on both sides.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">57. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-f46ec308415a91c52dbdccbe9cd43291_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#53;&#110;&#45;&#50;&#48;&#61;&#45;&#55;&#110;&#45;&#56;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"155\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 50%;\">58. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-46378290a7a1497a1a39c5fbad5a5466_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#50;&#120;&#45;&#57;&#61;&#51;&#120;&#43;&#52;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"139\" style=\"vertical-align: -2px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">59. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-eac8c0bea0143d4295e402b834b77f91_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#56;&#125;&#99;&#45;&#52;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#51;&#125;&#123;&#56;&#125;&#99;&#43;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"120\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 50%;\">60. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d5c1ffe1454b39619727f535817927bf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#52;&#117;&#43;&#49;&#54;&#61;&#45;&#49;&#57;&#45;&#117;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"145\" style=\"vertical-align: -2px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345522057\" data-type=\"exercise\">\n<div id=\"fs-id1168345522059\" data-type=\"problem\">\n<h2 id=\"fs-id1168345522061\">Solve Equations Using the General Strategy for Solving Linear Equations<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169745168464\">In the following exercises, solve each linear equation.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; height: 96px;\">\n<tbody>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">61. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-a13a546c6dca90caebe2a05ca05e5eb8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#92;&#108;&#101;&#102;&#116;&#40;&#50;&#112;&#45;&#53;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#55;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"115\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">62. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-ff770487b3ff0af73757a1aad202f9c9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#54;&#92;&#108;&#101;&#102;&#116;&#40;&#120;&#43;&#54;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#50;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"108\" style=\"vertical-align: -5px;\" \/><\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">63. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-3c439159250ac2d9b243b89f1e623cc8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#56;&#43;&#51;&#92;&#108;&#101;&#102;&#116;&#40;&#110;&#45;&#57;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#49;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"139\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">64. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-e8cc2ff956b3c05195325af6ba239a44_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#116;&#101;&#120;&#116;&#123;&#45;&#125;&#92;&#108;&#101;&#102;&#116;&#40;&#115;&#43;&#52;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#49;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"103\" style=\"vertical-align: -5px;\" \/><\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">65. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d41adb705ed1b98388c7b758f63d9d79_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#51;&#125;&#92;&#108;&#101;&#102;&#116;&#40;&#54;&#109;&#43;&#50;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#109;&#45;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"159\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">66. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-fe394986b1e851779ece4b38c14640d4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#51;&#45;&#51;&#92;&#108;&#101;&#102;&#116;&#40;&#121;&#45;&#55;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"137\" style=\"vertical-align: -5px;\" \/><\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">67. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d6323ed4a636a45dab7d4d4a0a8bcd36_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#46;&#50;&#53;&#92;&#108;&#101;&#102;&#116;&#40;&#113;&#45;&#56;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#48;&#46;&#49;&#92;&#108;&#101;&#102;&#116;&#40;&#113;&#43;&#55;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"189\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">68. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-43852ad4d08a60416dc6d6b03f7ce78a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#52;&#92;&#108;&#101;&#102;&#116;&#40;&#51;&#46;&#53;&#121;&#43;&#48;&#46;&#50;&#53;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#51;&#54;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"160\" style=\"vertical-align: -5px;\" \/><\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">69. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-4cb2185b6c8171e3fe2ceec9a13e57b0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#53;&#43;&#55;&#92;&#108;&#101;&#102;&#116;&#40;&#50;&#45;&#53;&#120;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#50;&#92;&#108;&#101;&#102;&#116;&#40;&#57;&#120;&#43;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"204\" style=\"vertical-align: -5px;\" \/> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-514b3a1dd39f0624eb02793bc4471e0c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#92;&#108;&#101;&#102;&#116;&#40;&#49;&#51;&#120;&#45;&#53;&#55;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"96\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">70. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-8ba112b3d80d02545fc89e053d0d01b4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#56;&#92;&#108;&#101;&#102;&#116;&#40;&#114;&#45;&#50;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#54;&#92;&#108;&#101;&#102;&#116;&#40;&#114;&#43;&#49;&#48;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"161\" style=\"vertical-align: -5px;\" \/><\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">71. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-82abcac2649d73fcc0819c89052f98f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#92;&#108;&#101;&#102;&#116;&#91;&#45;&#49;&#54;&#43;&#53;&#92;&#108;&#101;&#102;&#116;&#40;&#56;&#107;&#45;&#54;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#92;&#114;&#105;&#103;&#104;&#116;&#93;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"148\" style=\"vertical-align: -5px;\" \/> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-8a0a3f717f7c64f1fc07d8911aff661a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#56;&#92;&#108;&#101;&#102;&#116;&#40;&#51;&#45;&#52;&#107;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#45;&#51;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"132\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%; height: 16px;\">72. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-edcc5d6953a2d23b6d41f21ae88ec653_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#101;&#102;&#116;&#40;&#57;&#110;&#43;&#53;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#45;&#92;&#108;&#101;&#102;&#116;&#40;&#51;&#110;&#45;&#55;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"148\" style=\"vertical-align: -5px;\" \/> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-e66c6a243ebaa784bc1afb85fe1e3274_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#50;&#48;&#45;&#92;&#108;&#101;&#102;&#116;&#40;&#52;&#110;&#45;&#50;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"121\" style=\"vertical-align: -5px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345525992\" class=\"material-set-2\" data-type=\"exercise\">\n<div id=\"fs-id1168345525994\" data-type=\"problem\">\n<h2 id=\"fs-id1168345741450\">Classify Equations<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169749818089\">In the following exercises, classify each equation as a conditional equation, an identity, or a contradiction and then state the solution.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">73. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-7f33de869c6501d00c6a7d239aaf88de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#117;&#43;&#51;&#50;&#61;&#49;&#53;&#92;&#108;&#101;&#102;&#116;&#40;&#117;&#45;&#52;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"156\" style=\"vertical-align: -5px;\" \/> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-e856187c6733cb2dfd1f057474a04b4e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#51;&#92;&#108;&#101;&#102;&#116;&#40;&#50;&#117;&#43;&#50;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"96\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%;\">74. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-5d603ea3ecdf0a89d4c45d43a07f3a8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#55;&#121;&#45;&#51;&#92;&#108;&#101;&#102;&#116;&#40;&#52;&#45;&#50;&#121;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#49;&#49;&#92;&#108;&#101;&#102;&#116;&#40;&#121;&#45;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"219\" style=\"vertical-align: -5px;\" \/> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-a02d58e18f36592dd0aa8db4e2404360_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#43;&#49;&#50;&#121;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"71\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">75. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-f1131bb1cdb5cd8c46a7599347b0fd8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#49;&#92;&#108;&#101;&#102;&#116;&#40;&#99;&#45;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#45;&#49;&#57;&#92;&#108;&#101;&#102;&#116;&#40;&#99;&#43;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"166\" style=\"vertical-align: -5px;\" \/> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-644f4a48c2b1e8272880763eb407f762_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#50;&#92;&#108;&#101;&#102;&#116;&#40;&#99;&#45;&#50;&#48;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"91\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%;\">76. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-80d208756e32336a350c2226baf6147e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#56;&#92;&#108;&#101;&#102;&#116;&#40;&#55;&#109;&#43;&#52;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#45;&#54;&#92;&#108;&#101;&#102;&#116;&#40;&#56;&#109;&#43;&#57;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"211\" style=\"vertical-align: -5px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345633740\" class=\"material-set-2\" data-type=\"exercise\">\n<div id=\"fs-id1168341960661\" data-type=\"problem\">\n<h2 id=\"fs-id1168341960663\">Solve Equations with Fraction Coefficients<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169749954497\">In the following exercises, solve each equation with fraction coefficients.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">77. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-13d917604fc77389946dadc1c0f9686e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#51;&#125;&#120;&#43;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#53;&#125;&#120;&#61;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"94\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 50%;\">78. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-f0ffa13e5030195329992602b6186f0a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#50;&#125;&#123;&#53;&#125;&#110;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#49;&#48;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#55;&#125;&#123;&#49;&#48;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"98\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">79. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-cf2b9b734a2fcc3666421be3b02fdbfe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;&#92;&#108;&#101;&#102;&#116;&#40;&#107;&#45;&#51;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#51;&#125;&#92;&#108;&#101;&#102;&#116;&#40;&#107;&#43;&#49;&#54;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"166\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 50%;\">80. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-ebe9d225bd757e431c704df71eef5cc6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#51;&#125;&#123;&#52;&#125;&#97;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#51;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;&#97;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#54;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"125\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">81. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-272b677dd3b3f1bc7a155ab4ba9298d6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#53;&#121;&#45;&#49;&#125;&#123;&#51;&#125;&#43;&#52;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#45;&#56;&#121;&#43;&#52;&#125;&#123;&#54;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"133\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 50%;\">82. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-ba7a150c18f34babb8934da3dc62b3a0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#51;&#120;&#45;&#50;&#125;&#123;&#53;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#51;&#120;&#43;&#52;&#125;&#123;&#56;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"93\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345540218\" data-type=\"exercise\">\n<div id=\"fs-id1168345540220\" data-type=\"problem\">\n<h2 id=\"fs-id1168345540222\">Solve Equations with Decimal Coefficients<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169749514834\">In the following exercises, solve each equation with decimal coefficients.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">83. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-a13ed743783bb4ecef7a3d00f74e0459_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#46;&#51;&#54;&#117;&#43;&#50;&#46;&#53;&#53;&#61;&#48;&#46;&#52;&#49;&#117;&#43;&#54;&#46;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"205\" style=\"vertical-align: -2px;\" \/><\/td>\n<td style=\"width: 50%;\">84. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-adf8888fd3bb942bfdc7bc9294abd86a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#46;&#56;&#120;&#45;&#48;&#46;&#51;&#61;&#48;&#46;&#55;&#120;&#43;&#48;&#46;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"177\" style=\"vertical-align: -2px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345329536\" data-type=\"exercise\">\n<div id=\"fs-id1168345329538\" data-type=\"problem\">\n<h2 id=\"fs-id1168345329540\">Use the Distance, Rate, and Time Formula<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169749515402\">In the following exercises, solve.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">85. Mallory is taking the bus from Edmonton to North Battleford. The distance is 300 miles and the bus travels at a steady rate of 60 miles per hour. How long will the bus ride be?<\/td>\n<td style=\"width: 50%;\">86. Natalie drove for <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d24e0463139d5de91636bf16cd6653c2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#55;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"18\" style=\"vertical-align: -6px;\" \/> hours at 60 miles per hour. How much distance did she travel?<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">87. Link rode his bike at a steady rate of 15 miles per hour for <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-c128bd7a10f7a02c1fc1b86ad46ccab0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"18\" style=\"vertical-align: -6px;\" \/> hours. How much distance did he travel?<\/td>\n<td style=\"width: 50%;\">88. Aaron\u2019s friend drove him from Williams Lake to Kamloops. The distance is 187 miles and the trip took 2.75 hours. How fast was Aaron\u2019s friend driving?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"fs-id1168345707178\" data-type=\"exercise\">\n<div id=\"fs-id1168345707180\" data-type=\"problem\">\n<h2 id=\"fs-id1168345707183\">Solve a Formula for a Specific Variable<\/h2>\n<\/div>\n<\/div>\n<p id=\"fs-id1169752006047\">In the following exercises, solve.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr style=\"height: 52px;\">\n<td style=\"width: 50%; height: 52px;\">89. Use the formula. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-66154007a0966589ced162b9e2db9d86_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#61;&#114;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"47\" style=\"vertical-align: 0px;\" \/> to solve for <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-eac7377ee33661093717678895648b30_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\" \/><br \/>\na) when when <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-89f43ff7c0df6323bbf70c59ed5d6608_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#61;&#52;&#53;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"59\" style=\"vertical-align: 0px;\" \/> and <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d79164ab89f6284c364f64537d26cd23_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#116;&#61;&#53;&#46;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"52\" style=\"vertical-align: 0px;\" \/><br \/>\nb) in general<\/td>\n<td style=\"width: 50%; height: 52px;\">90. Use the formula. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-66154007a0966589ced162b9e2db9d86_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#61;&#114;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"47\" style=\"vertical-align: 0px;\" \/> to solve for <em data-effect=\"italics\">t<\/em><br \/>\na) when <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d80bc13b39c44b7ae2a5bd61bd082b66_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#61;&#53;&#49;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"60\" style=\"vertical-align: 0px;\" \/> and <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-21da0360de861d2c91388af89c4037a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;&#61;&#54;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"50\" style=\"vertical-align: 0px;\" \/><br \/>\nb) in general<\/td>\n<\/tr>\n<tr style=\"height: 52px;\">\n<td style=\"width: 50%; height: 52px;\">91. Use the formula <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-eec2c0f9eef8339523fc6b17dade684e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;&#98;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"66\" style=\"vertical-align: -6px;\" \/> to solve for <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-0e482e8e4c37b3baa600f54375fa776f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\" \/><br \/>\na) when <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-73988015db0d13133d9b3d2dee9d1154_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;&#61;&#49;&#53;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"64\" style=\"vertical-align: 0px;\" \/> and <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d6127610784523a294aabac393a0154f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#98;&#61;&#49;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"49\" style=\"vertical-align: 0px;\" \/><br \/>\nb) in general<\/td>\n<td style=\"width: 50%; height: 52px;\">92. Use the formula <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-eec2c0f9eef8339523fc6b17dade684e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;&#98;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"66\" style=\"vertical-align: -6px;\" \/> to solve for <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-5d67490e0308478c5b7d156c21b92ddb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#98;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\" \/><br \/>\na) when <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b3ec617c919ef05113984096fa0fcb34_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#65;&#61;&#51;&#57;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"64\" style=\"vertical-align: 0px;\" \/> and <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-a0760bf207ec88f3c2cb16603aaecbe7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#104;&#61;&#50;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"52\" style=\"vertical-align: 0px;\" \/><br \/>\nb) in general<\/td>\n<\/tr>\n<tr style=\"height: 52px;\">\n<td style=\"width: 50%; height: 52px;\">93. Solve the formula <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-c927d63856611e242751a39b4c368e09_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#52;&#120;&#43;&#51;&#121;&#61;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"91\" style=\"vertical-align: -4px;\" \/> for <em data-effect=\"italics\">y<\/em><br \/>\na) when <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-a9594f03ab659eb5b166e8136b529c13_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#45;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"56\" style=\"vertical-align: 0px;\" \/><br \/>\nb) in general<\/td>\n<td style=\"width: 50%; height: 52px;\">94. Use the formula <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-02e2876a5ac71f3b223a74eac5ced0b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#73;&#61;&#80;&#114;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"61\" style=\"vertical-align: 0px;\" \/> to solve for the principal, <em data-effect=\"italics\">P<\/em> for<br \/>\na) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-5ffe16d7371f01140cd03e9f6216efc6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#73;&#61;&#92;&#36;&#50;&#44;&#53;&#48;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"84\" style=\"vertical-align: -4px;\" \/>,<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-a596746831fce91bbdb17d30f656e171_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;&#61;&#52;&#46;&#49;&#92;&#37;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"69\" style=\"vertical-align: -1px;\" \/>,<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-435bc0e3ab372f3b1d77fa519cb7b55b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#116;&#61;&#53;&#92;&#112;&#104;&#97;&#110;&#116;&#111;&#109;&#123;&#92;&#114;&#117;&#108;&#101;&#123;&#48;&#46;&#50;&#101;&#109;&#125;&#123;&#48;&#101;&#120;&#125;&#125;&#92;&#116;&#101;&#120;&#116;&#123;&#121;&#101;&#97;&#114;&#115;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"80\" style=\"vertical-align: -4px;\" \/><br \/>\nb) in general<\/td>\n<\/tr>\n<tr style=\"height: 16px;\">\n<td style=\"width: 50%; height: 16px;\">95. Solve the formula <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-e041e8e59e1c5bce00f69f64d320358f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;&#61;&#76;&#87;&#72;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"85\" style=\"vertical-align: 0px;\" \/> for <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-f6e74d3fb6ba917b1bd70b00f90cbdca_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#72;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\" \/>.<\/td>\n<td style=\"width: 50%; height: 16px;\">96. Solve <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-2807d3c4a5e6bf08b503f10e5b6a0895_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#56;&#48;&#61;&#97;&#43;&#98;&#43;&#99;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"118\" style=\"vertical-align: -2px;\" \/> for <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-9a13e19c2d662c9e9c19f8ffc5722e4f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#99;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\" \/>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-type=\"title\">Everyday Math<\/h2>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\">97. Describe how you have used two topics from this chapter in your life outside of your math class during the past month.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1 id=\"fs-id1168342079156\">Review Exercises Answers<\/h1>\n<table>\n<tbody>\n<tr>\n<td>1. no<\/td>\n<td>3. yes<\/td>\n<\/tr>\n<tr>\n<td>5. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-2c4ed46a3b3a682d9f523caabd7411bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#45;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"56\" style=\"vertical-align: -4px;\" \/><\/td>\n<td>7. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d9f6539b8e0972e03cb36ff83c72d7d6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#49;&#46;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"56\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>9. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-f1c835972c266c55b5448e9cb8d2bdf0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"42\" style=\"vertical-align: 0px;\" \/><\/td>\n<td>11. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-2352459a5a770b46a3b4ae61c0c45f14_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#61;&#49;&#56;&#46;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"66\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>13. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b0e11c434f7f3ed2817ee4ff0dde149e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#45;&#50;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"64\" style=\"vertical-align: -4px;\" \/><\/td>\n<td>15. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d6ecc63616e413856efd54a48d57ee1f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#61;&#49;&#50;&#46;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"64\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>17. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-6aabc18048580c4bcd66d8e7193e956c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#45;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"57\" style=\"vertical-align: 0px;\" \/><\/td>\n<td>19. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-87204fbfdc995b0c954ab6475661085e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#61;&#45;&#50;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"66\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>21. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d84a56fd9a69967d1f870bbd380f8a7f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#45;&#52;&#61;&#49;&#51;&#59;&#110;&#61;&#49;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"143\" style=\"vertical-align: -4px;\" \/><\/td>\n<td>23. 161 pounds<\/td>\n<\/tr>\n<tr>\n<td>25. &#36;131.19<\/td>\n<td>27. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-0dfcf0a943f4c65d212067abcc29ab97_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#61;&#45;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"55\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>29. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-32ae6b83903986a512560eae055678d7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#45;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"56\" style=\"vertical-align: -4px;\" \/><\/td>\n<td>31. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-0899d4f711cdbe9f9371811c12f956e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#45;&#51;&#48;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"74\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>33. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-4c90a55cb0ade2ac00c642df2204efef_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#51;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"43\" style=\"vertical-align: -6px;\" \/><\/td>\n<td>35. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-c8f3c76989d646fb772016e0aa6245d4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#99;&#61;&#51;&#50;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"58\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>37. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-c9836f4edd722d22470be4166771b1a9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#49;&#125;&#123;&#56;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"49\" style=\"vertical-align: -6px;\" \/><\/td>\n<td>39. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-9a358fcc19f8a521621061207a4f0445_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"56\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>41. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b03b1dfabd6e07844e8049d30ad7c2b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#61;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\" \/><\/td>\n<td>43. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-35a8aeb3b99370067cb45c2fe2729424_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#98;&#125;&#123;&#57;&#125;&#61;&#45;&#50;&#55;&#59;&#98;&#61;&#45;&#50;&#52;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"144\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>45. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b61ac80aa5f218a269880753f29856ba_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#115;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#49;&#50;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#52;&#125;&#59;&#115;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"131\" style=\"vertical-align: -6px;\" \/><\/td>\n<td>47. &#36;32<\/td>\n<\/tr>\n<tr>\n<td>49. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-6a22565b558196a0b90932f7f4e6ae5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#119;&#61;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"46\" style=\"vertical-align: 0px;\" \/><\/td>\n<td>51. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-87ba8347fce85448c8f40c734f4c37a7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#45;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"57\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>53. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-6d52801fa9dfed7011e99f6631fd2a11_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#61;&#45;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"56\" style=\"vertical-align: 0px;\" \/><\/td>\n<td>55. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-0f380ffa3213c06d6aa58583220cb088_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#51;&#125;&#123;&#56;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"43\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>57. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b2155ad62218f08dcb2060bacadc5da4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#45;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"56\" style=\"vertical-align: 0px;\" \/><\/td>\n<td>59. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b1463d188e7077b3a129fd10639815de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#99;&#61;&#51;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"48\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>61. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-1fe4866affd8dd632e3213190e4c1631_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#51;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"49\" style=\"vertical-align: -6px;\" \/><\/td>\n<td>63. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-692a2bb34723aa233ad6ce7f3a887f7a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#49;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"51\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>65. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b9d26ba626b780fb81d4230e692549db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#61;&#45;&#49;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"71\" style=\"vertical-align: 0px;\" \/><\/td>\n<td>67. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-66a3bf7faf4b3a5b730f8b05b59690f2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#113;&#61;&#49;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"50\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>69. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-9a358fcc19f8a521621061207a4f0445_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"56\" style=\"vertical-align: 0px;\" \/><\/td>\n<td>71. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d1d1be010c206b86395afceb5bc7174b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#51;&#125;&#123;&#52;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"42\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>73. contradiction; no solution<\/td>\n<td>75. identity; all real numbers<\/td>\n<\/tr>\n<tr>\n<td>77. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b3893a699e32d89aedd2bf43afbcf90f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#49;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"51\" style=\"vertical-align: 0px;\" \/><\/td>\n<td>79. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-76b926392cc939d41292b22be9b6997a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;&#61;&#52;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"50\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>81. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-77b4d1576e9a5b836b5039d67a5b8cc0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"55\" style=\"vertical-align: -4px;\" \/><\/td>\n<td>83. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-f9b5edacd9e8506833da1ae733a23e72_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#61;&#45;&#56;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"65\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>85. 5 hours<\/td>\n<td>87. 37.5 miles<\/td>\n<\/tr>\n<tr>\n<td>89. a)<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-2bd3e7fd4b7ec882f27d142014e3e57a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;&#61;&#56;&#50;&#92;&#112;&#104;&#97;&#110;&#116;&#111;&#109;&#123;&#92;&#114;&#117;&#108;&#101;&#123;&#48;&#46;&#50;&#101;&#109;&#125;&#123;&#48;&#101;&#120;&#125;&#125;&#92;&#116;&#101;&#120;&#116;&#123;&#109;&#112;&#104;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"85\" style=\"vertical-align: -4px;\" \/>; b)<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-87a63511c6085e35bfc7f66e85fac355_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#68;&#125;&#123;&#116;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"46\" style=\"vertical-align: -6px;\" \/><\/td>\n<td>91. a)<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-0bd13cdf1a55b9273c65207e22b398b2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#104;&#61;&#49;&#55;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"52\" style=\"vertical-align: 0px;\" \/>b)<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-37dfc442fb603fcecb406070c75f3d71_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#104;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#50;&#65;&#125;&#123;&#98;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"54\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr>\n<td>93. a)<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-816aa3d15ba18450bb47ba0da982f727_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#52;&#125;&#123;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"49\" style=\"vertical-align: -6px;\" \/>b)<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b15e20536fc863bbb99f0c88723e1f78_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#54;&#45;&#52;&#120;&#125;&#123;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"68\" style=\"vertical-align: -6px;\" \/><\/td>\n<td>95. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-88a41a8da4f36f50cdc0f21b7c1bf4a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#72;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#86;&#125;&#123;&#76;&#87;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"67\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1 data-type=\"title\">Practice Test<\/h1>\n<div id=\"fs-id1168341977735\" data-type=\"exercise\">\n<div id=\"fs-id1168341977737\" data-type=\"problem\">\n<p id=\"fs-id1168341977739\">Determine whether each number is a solution to the equation <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-4e9f4db837f0527b0ee54f73639dfee9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#51;&#120;&#43;&#53;&#61;&#50;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"91\" style=\"vertical-align: -2px;\" \/>.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\">1.<br \/>\na) 5<br \/>\nb) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b10c35d1065874a51149c5bde35940ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#50;&#51;&#125;&#123;&#53;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"14\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>In the following exercises, solve each equation.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\">2. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-989ded790392e64288317484e815434a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#45;&#49;&#56;&#61;&#51;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"91\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 50%;\">3. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-fc67f5fdfe8be6fa116998b969ca9828_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#99;&#61;&#49;&#52;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"67\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">4. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-954a49b2bb052cf7931987f874583125_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#52;&#121;&#45;&#56;&#61;&#49;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"90\" style=\"vertical-align: -4px;\" \/><\/td>\n<td style=\"width: 50%;\">5. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-4c05b203c2d1aff686b3fcd4b19cc47c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#56;&#120;&#45;&#49;&#53;&#43;&#57;&#120;&#45;&#49;&#61;&#45;&#50;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"197\" style=\"vertical-align: -2px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">6. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-5e7105bc9ccbe5d9a93cec59dc38d3f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#49;&#53;&#97;&#61;&#49;&#50;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"91\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 50%;\">7. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-5e48be6b950cee0b5b34acfe2c153c56_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#50;&#125;&#123;&#51;&#125;&#120;&#61;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"52\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">8. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-daa19cd2846e0a97865e99367ad778d7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#45;&#51;&#46;&#56;&#61;&#56;&#46;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"100\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 50%;\">9. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-dc75c5e9b8dda38e406933493b6a6528_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#48;&#121;&#61;&#45;&#53;&#121;&#45;&#54;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"121\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">10. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-789654f5331211c5fface8dc38a261ed_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#56;&#110;&#45;&#50;&#61;&#54;&#110;&#45;&#49;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"132\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 50%;\">11. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-be98df88b548558205be0e1ee9392324_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#109;&#45;&#50;&#45;&#52;&#109;&#45;&#109;&#61;&#52;&#50;&#45;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"210\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">12. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-87f85ba0f967ec8b947cec1b938b0dd1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#45;&#53;&#92;&#108;&#101;&#102;&#116;&#40;&#50;&#120;&#45;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#52;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"129\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%;\">13. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-c5aef093db8dfb7ded73348e694f9e0a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#116;&#101;&#120;&#116;&#123;&#45;&#125;&#92;&#108;&#101;&#102;&#116;&#40;&#100;&#45;&#57;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#50;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"104\" style=\"vertical-align: -5px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">14. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-633dc289e8f06e67baee9d759d194a7c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#52;&#125;&#92;&#108;&#101;&#102;&#116;&#40;&#49;&#50;&#109;&#45;&#50;&#56;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#54;&#45;&#50;&#92;&#108;&#101;&#102;&#116;&#40;&#51;&#109;&#45;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"232\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 50%;\">15. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-959b980b31ad8314d35c50dce3acb113_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#92;&#108;&#101;&#102;&#116;&#40;&#54;&#120;&#45;&#53;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#45;&#56;&#61;&#45;&#50;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"160\" style=\"vertical-align: -5px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">16.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-64796b66dab0e1a5eaf8dfde55e999dd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#56;&#92;&#108;&#101;&#102;&#116;&#40;&#51;&#97;&#45;&#53;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#45;&#55;&#92;&#108;&#101;&#102;&#116;&#40;&#52;&#97;&#45;&#51;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#50;&#48;&#45;&#51;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"251\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%;\">17. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-fc8644f5361cab2a9ae84bd1d7c3e3d6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#52;&#125;&#112;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#51;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"83\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">18. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-ebae263111d6633ce74f61072e7bc9ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;&#46;&#49;&#100;&#43;&#48;&#46;&#50;&#53;&#92;&#108;&#101;&#102;&#116;&#40;&#100;&#43;&#56;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#52;&#46;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"187\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%;\">19. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-4630794b1bdab6b4e171c12ed661e3bd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#52;&#110;&#45;&#51;&#92;&#108;&#101;&#102;&#116;&#40;&#52;&#110;&#43;&#53;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#45;&#57;&#43;&#50;&#92;&#108;&#101;&#102;&#116;&#40;&#110;&#45;&#56;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"259\" style=\"vertical-align: -5px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">20. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b7edf96e258a26542b6a6be2bbd951ae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#57;&#92;&#108;&#101;&#102;&#116;&#40;&#51;&#117;&#45;&#50;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#45;&#52;&#92;&#108;&#101;&#102;&#116;&#91;&#54;&#45;&#56;&#92;&#108;&#101;&#102;&#116;&#40;&#117;&#45;&#49;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#92;&#114;&#105;&#103;&#104;&#116;&#93;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"213\" style=\"vertical-align: -5px;\" \/><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-8b9d3905d70a6cc9967237715024ae6f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#51;&#92;&#108;&#101;&#102;&#116;&#40;&#117;&#45;&#50;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"84\" style=\"vertical-align: -5px;\" \/><\/td>\n<td style=\"width: 50%;\">21. Solve the formula <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-2255216e6e6c703e4e0430092b9106fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#45;&#50;&#121;&#61;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"82\" style=\"vertical-align: -4px;\" \/> for <em data-effect=\"italics\">y<\/em><br \/>\na) when <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-6cc1533377c83f60b161ff3edfc0b5bd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#45;&#51;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"57\" style=\"vertical-align: 0px;\" \/><br \/>\nb) in general<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 50%;\">22. Samuel paid &#36;25.82 for gas this week, which was &#36;3.47 less than he paid last week. How much had he paid last week?<\/td>\n<td style=\"width: 50%;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h1 id=\"fs-id1168342079156\">Practice Test Answers<\/h1>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 68.1901%;\">1. a) yes b) no<\/td>\n<td style=\"width: 31.8099%;\">2. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-89908e926203f2fa9889cb098a26fd5e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#52;&#57;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"52\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 68.1901%;\">3. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-00671faa3541766f2ecf4b07d4742ded_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#99;&#61;&#49;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"49\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 31.8099%;\">4. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-dd49e82d94499a8edc654b81a9c9fbff_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"42\" style=\"vertical-align: -4px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 68.1901%;\">5. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-556c908d422c46900553e888ea68a1ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#45;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"56\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 31.8099%;\">6. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b4e8c68fde3cbe3b8e47cdf5831a8779_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#61;&#56;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 68.1901%;\">7. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d7c981263ea5d37d78ea9df886d1e8a5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#57;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 31.8099%;\">8. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-7f6816fe736f0c5b9f883b73c9369c00_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#49;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"51\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 68.1901%;\">9. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-32ae6b83903986a512560eae055678d7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#45;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"56\" style=\"vertical-align: -4px;\" \/><\/td>\n<td style=\"width: 31.8099%;\">10. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b2155ad62218f08dcb2060bacadc5da4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#45;&#53;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"56\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 68.1901%;\">11. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-9f022dd1cd313a6835bdf697376a85ed_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#61;&#57;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"48\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 31.8099%;\">12. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-ee1d2da38da44f786037281d038fa8e4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#45;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"57\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 68.1901%;\">13. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b434d0e3f6627b7c243475b767bb8a5e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#61;&#45;&#49;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"65\" style=\"vertical-align: 0px;\" \/><\/td>\n<td style=\"width: 31.8099%;\">14. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-b82da2c2e932376d4da5a0aea6971d73_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#53;&#125;&#123;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"48\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 68.1901%;\">15. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-47a4b89f1741d1a3d9653e5636088e58_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#61;&#45;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"56\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 31.8099%;\">16. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-052e204587ddb5ea0fad5f23abf18123_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#61;&#45;&#51;&#57;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"65\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 68.1901%;\">17. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-c2a06231aa578bc3c8d22967dc2a9fdb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#112;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#48;&#125;&#123;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"49\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 31.8099%;\">18. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-40148dd9383b9f04f57fcdff65ca73dc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#61;&#54;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 68.1901%;\">19. contradiction; no solution<\/td>\n<td style=\"width: 31.8099%;\">20. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-530ca65b53cc45cc11ce61474d8ac8ba_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#55;&#125;&#123;&#49;&#52;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"50\" style=\"vertical-align: -6px;\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 68.1901%;\">21. a) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-92fdc34e1eaad03633e266f2bfdc9fbc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#52;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"42\" style=\"vertical-align: -4px;\" \/> b) <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-307d758cfb33230ade80cef36e6cd7d0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#53;&#45;&#120;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"61\" style=\"vertical-align: -6px;\" \/><\/td>\n<td style=\"width: 31.8099%;\">22. <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-content\/ql-cache\/quicklatex.com-d8815709dc99d21d3ab0b6a6713fecc9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#36;&#50;&#57;&#46;&#50;&#57;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"50\" style=\"vertical-align: -1px;\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1>\nAttributions<\/h1>\n<p>This chapter has been adapted from &#8220;Review Exercises&#8221; and &#8220;Practice Test&#8221; in Chapter 2 of <a href=\"https:\/\/openstax.org\/details\/books\/elementary-algebra\"><em>Elementary Algebra<\/em> (OpenStax)<\/a> by Lynn Marecek and MaryAnne Anthony-Smith, which is under a <a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY 4.0 Licence<\/a>. Adapted by Izabela Mazur. See the Copyright page for more information.<\/p>\n","protected":false},"author":103,"menu_order":9,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-10674","chapter","type-chapter","status-publish","hentry"],"part":10095,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/pressbooks\/v2\/chapters\/10674","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/wp\/v2\/users\/103"}],"version-history":[{"count":12,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/pressbooks\/v2\/chapters\/10674\/revisions"}],"predecessor-version":[{"id":13542,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/pressbooks\/v2\/chapters\/10674\/revisions\/13542"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/pressbooks\/v2\/parts\/10095"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/pressbooks\/v2\/chapters\/10674\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/wp\/v2\/media?parent=10674"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/pressbooks\/v2\/chapter-type?post=10674"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/wp\/v2\/contributor?post=10674"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatedevelopmentalmath\/wp-json\/wp\/v2\/license?post=10674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}