{"id":18538,"date":"2026-05-03T17:17:20","date_gmt":"2026-05-03T11:17:20","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/use-algebra-with-percent-change-170\/"},"modified":"2026-05-03T17:17:20","modified_gmt":"2026-05-03T11:17:20","slug":"use-algebra-with-percent-change-170","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/use-algebra-with-percent-change-170\/","title":{"rendered":"Use Algebra With Percent Change 170"},"content":{"rendered":"<p>A quantity decreases by 15% and becomes 102. What was the original quantity?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>117<\/li>\n<li>680<\/li>\n<li>120<\/li>\n<li>105<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2705,2706,2727],"subject":[1425],"education_level":[1894],"class_list":["post-18538","mcq","type-mcq","status-publish","hentry","topic-algebra","topic-linear-equations","topic-percent","subject-mathematics","education_level-grade-8"],"mcq_note":"Let the original quantity be x. After a 15% decrease, the remaining value is 85% of x, so 0.85x = 102. Solving gives x = 120.","mcq_options":[{"right":"no","answer":"117"},{"right":"no","answer":"680"},{"right":"yes","answer":"120"},{"right":"no","answer":"105"}],"multi_answers":"no","subject_terms":[{"id":1425,"title":"Mathematics","slug":"mathematics"}],"topic_terms":[{"id":2705,"title":"Algebra","slug":"algebra"},{"id":2706,"title":"Linear Equations","slug":"linear-equations"},{"id":2727,"title":"Percent","slug":"percent"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/18538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/comments?post=18538"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=18538"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=18538"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=18538"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=18538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}