{"id":426,"date":"2019-04-29T12:55:47","date_gmt":"2019-04-29T16:55:47","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/?post_type=chapter&#038;p=426"},"modified":"2019-11-21T16:37:37","modified_gmt":"2019-11-21T21:37:37","slug":"2-8-the-mystery-x-puzzle","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/chapter\/2-8-the-mystery-x-puzzle\/","title":{"raw":"2.8 The Mystery X Puzzle","rendered":"2.8 The Mystery X Puzzle"},"content":{"raw":"[latexpage]\r\n\r\nThe centre number of each square is found by using the order of operations on the numbers that surround it. The challenge is to solve for the variable \\(X.\\)\r\n\r\n\\[\\begin{tabular}{|c|c|c|}\r\n\\hline\r\n\\begin{array}{ccc}&amp;5&amp; \\\\ \\\\ &amp;\\textbf{21}&amp; \\\\ \\\\ 3&amp;&amp;6\\end{array}&amp;\r\n\\begin{array}{ccc}&amp;3&amp; \\\\ \\\\ &amp;\\textbf{42}&amp; \\\\ \\\\ 11&amp;&amp;9\\end{array}&amp;\r\n\\begin{array}{ccc}&amp;12&amp; \\\\ \\\\ &amp;\\textbf{64}&amp; \\\\ \\\\ 5&amp;&amp;X\\end{array}\\\\\r\n\\hline\r\n\\end{tabular}\\]\r\n\r\nCan you solve for \\(X\\)? Can you find any other possible solution?\r\n\r\n<a href=\"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/back-matter\/answer-key-2-8\/\">Answer Key 2.8<\/a>","rendered":"<p>The centre number of each square is found by using the order of operations on the numbers that surround it. The challenge is to solve for the variable <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-content\/ql-cache\/quicklatex.com-aa4430fe15ac980b19c3bdb29f4f6c0f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#88;&#46;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\" \/><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 112px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-content\/ql-cache\/quicklatex.com-c2bc24da5f8d7a779fcefdf75062420f_l3.png\" height=\"112\" width=\"336\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#91;&#92;&#98;&#101;&#103;&#105;&#110;&#123;&#116;&#97;&#98;&#117;&#108;&#97;&#114;&#125;&#123;&#124;&#99;&#124;&#99;&#124;&#99;&#124;&#125; &#92;&#104;&#108;&#105;&#110;&#101; &#92;&#98;&#101;&#103;&#105;&#110;&#123;&#97;&#114;&#114;&#97;&#121;&#125;&#123;&#99;&#99;&#99;&#125;&#38;&#53;&#38;&#32;&#92;&#92;&#32;&#92;&#92;&#32;&#38;&#92;&#116;&#101;&#120;&#116;&#98;&#102;&#123;&#50;&#49;&#125;&#38;&#32;&#92;&#92;&#32;&#92;&#92;&#32;&#51;&#38;&#38;&#54;&#92;&#101;&#110;&#100;&#123;&#97;&#114;&#114;&#97;&#121;&#125;&#38; &#92;&#98;&#101;&#103;&#105;&#110;&#123;&#97;&#114;&#114;&#97;&#121;&#125;&#123;&#99;&#99;&#99;&#125;&#38;&#51;&#38;&#32;&#92;&#92;&#32;&#92;&#92;&#32;&#38;&#92;&#116;&#101;&#120;&#116;&#98;&#102;&#123;&#52;&#50;&#125;&#38;&#32;&#92;&#92;&#32;&#92;&#92;&#32;&#49;&#49;&#38;&#38;&#57;&#92;&#101;&#110;&#100;&#123;&#97;&#114;&#114;&#97;&#121;&#125;&#38; &#92;&#98;&#101;&#103;&#105;&#110;&#123;&#97;&#114;&#114;&#97;&#121;&#125;&#123;&#99;&#99;&#99;&#125;&#38;&#49;&#50;&#38;&#32;&#92;&#92;&#32;&#92;&#92;&#32;&#38;&#92;&#116;&#101;&#120;&#116;&#98;&#102;&#123;&#54;&#52;&#125;&#38;&#32;&#92;&#92;&#32;&#92;&#92;&#32;&#53;&#38;&#38;&#88;&#92;&#101;&#110;&#100;&#123;&#97;&#114;&#114;&#97;&#121;&#125;&#92;&#92; &#92;&#104;&#108;&#105;&#110;&#101; &#92;&#101;&#110;&#100;&#123;&#116;&#97;&#98;&#117;&#108;&#97;&#114;&#125;&#92;&#93;\" title=\"Rendered by QuickLaTeX.com\" \/><\/p>\n<p>Can you solve for <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-content\/ql-cache\/quicklatex.com-1d81da241c5825df625d417e03807d26_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#88;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\" \/>? Can you find any other possible solution?<\/p>\n<p><a href=\"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/back-matter\/answer-key-2-8\/\">Answer Key 2.8<\/a><\/p>\n","protected":false},"author":14,"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-426","chapter","type-chapter","status-publish","hentry"],"part":358,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/chapters\/426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/users\/14"}],"version-history":[{"count":6,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/chapters\/426\/revisions"}],"predecessor-version":[{"id":3431,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/chapters\/426\/revisions\/3431"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/parts\/358"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/chapters\/426\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/media?parent=426"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/chapter-type?post=426"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/contributor?post=426"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/license?post=426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}