Unit 3 Review: Working with Percent
Questions
- Solve each problem by setting up a proportion.
- [latex]150\%\text{ of }7[/latex]
- [latex]12.5\%\text{ of }48[/latex]
- [latex]20\%\text{ of }16[/latex]
- [latex]18\%\text{ of }40[/latex]
- [latex]\tfrac{1}{4}\%\text{ of }20[/latex]
- [latex]0.5\%\text{ of }122[/latex]
- Use the proportion method to solve these questions.
- [latex]75\%\text{ of }12[/latex]
- [latex]3\tfrac{1}{4}\%\text{ of }200[/latex] is?
- What is [latex]16\%\text{ of }34[/latex]?
- [latex]90\%\text{ of }75[/latex] is
- Find [latex]10\%\text{ of }27[/latex]
- [latex]16\tfrac{2}{3}\%\text{ of }163[/latex]
- Find the total cost of each item, using 12% HST.
Item Cost HST (12%) Total Cost A T-shirt $14.99 [latex]\begin{equation}\begin{split} \dfrac{\text{X}}{14.99} &= \dfrac{12}{100} \\ \text{X} &= $1.80 \end{split}\end{equation}[/latex] [latex]$1.80 + $14.99 = $16.79[/latex] B 40″ flat screen TV $699.00 C Tent $168.79 D Drill and bit set $248.99 E Shoes $79.98 - Solve these percent problems.
- All pants are 25% off said the sign in the window. What will be the sale price of a pair of pants originally priced at $59.78?
- 30% of the forest will be cut down in the next three years. The forest is 150 acres large. How many acres will be left after the cut?
- All winter clothes are on sale for 15% off. A set of gloves cost $18.00. How much will you save?
- Rent will increase 10% on Oliver’s apartment on January 1. His rent was $460.00 per month. What will his new rent be?
- The French Bread Bakery staff will get a one-time 15% pay increase on their Christmas pay check. If Manon works 63 hours at $12.78/hour for that pay check, how much will she get paid? (Figure out the regular pay first and then add on the 15% increase.)
- The bill at the restaurant was $38.00. Add a 20% tip. What did the customer pay in total?
- The mark up on a pair of fancy running shoes is 45%. The shoes cost the buyer $38.00. How much will they be sold for after mark-up?
Answers to Unit 3 Review
-
- [latex]10.5[/latex]
- [latex]6[/latex]
- [latex]3.2[/latex]
- [latex]7.2[/latex]
- [latex]0.05[/latex]
- [latex]0.61[/latex]
-
- [latex]9[/latex]
- [latex]6.5[/latex]
- [latex]5.44[/latex]
- [latex]67.5[/latex]
- [latex]2.7[/latex]
- [latex]27.16[/latex]
-
Item Cost HST (12%) Total Cost A T-shirt $14.99 $1.80 $16.79 B 40″ flat screen TV $699.00 $83.88 $782.88 C Tent $168.79 $20.25 $189.04 D Drill and bit set $248.99 $29.88 $278.87 E Shoes $79.98 $9.60 $89.58 -
- $44.83
- 105 acres
- $2.70
- $506.00
- $925.91
- $45.60
- $55.10
TEST TIME!
Ask your instructor for the Practice Test for this unit.
Once you’ve done the Practice Test, you need to do the Unit 3 test.
Again, ask your instructor for this.
Good luck!