{"id":"cb_question_bank:27477198-cbe5-43dd-b80a-b93bfae4fc4f","source_id":"cb_question_bank","source_item_id":"27477198-cbe5-43dd-b80a-b93bfae4fc4f","external_id":null,"ibn":"028060-DC","question_id":"8705ecba","program":"SAT","module":"math","domain_code":"Q","domain":"Problem-Solving and Data Analysis","skill_code":"Q.B.","skill":"Percentages","difficulty":"E","score_band":3,"answer_type":"mcq","answer_source":"key","layout_warning":null,"form_id":null,"module_number":null,"position":null,"stem":"The cost of a certain shirt is $20 before a 5% sales tax is added. What is the total cost, including sales tax, to purchase the shirt?","stimulus":"","stimulus_html":null,"stem_html":"<p class=\"stem_paragraph \">The cost of a certain shirt is $20 before a 5% sales tax is added. What is the total cost, including sales tax, to purchase the shirt?</p>\n","rationale_html":"<p>Choice C is correct. The total cost to purchase the shirt is the $20 cost of the shirt plus the 5% sales tax. The value of the 5% sales tax on the $20 shirt is equivalent to<span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/f92542a4f939d57a98cc11bfe3be4b08ead38b0f660ef0305088f60bd3b694e3\" alt=\"0 point 0 5 times 20 dollars\"></span>, or $1. Therefore, the total cost to purchase the shirt is <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/42ddbc713a82d67bf35befc33f75a178b959668f4282323f0a2faf0ab1c57a99\" alt=\"20 dollars plus 1 dollar\"></span>, or $21.</p><p>Choice A is incorrect and may result from neglecting to multiply by $20 when finding the value of the sales tax. Choice B is incorrect and may result from dividing by 10, instead of by 100, and then neglecting to multiply by $20 when finding the sales tax. Choice D is incorrect and may result from interpreting the sales tax of 5% as $5.</p><p></p>\n","correct_answer":["C"],"has_media":true,"has_mathml":false,"has_table":false,"source_created_at":"2023-08-02T20:25:59.622000+00:00","source_updated_at":"2023-08-02T20:25:59.622000+00:00","options":[{"label":"A","content_html":"<p class=\"choice_paragraph \">$20.05</p>\n","ord":0},{"label":"B","content_html":"<p class=\"choice_paragraph \">$20.50</p>\n","ord":1},{"label":"C","content_html":"<p class=\"choice_paragraph \">$21.00</p>\n","ord":2},{"label":"D","content_html":"<p class=\"choice_paragraph \">$25.00</p>\n","ord":3}],"attribution":{"source_id":"cb_question_bank","source_name":"College Board digital SAT question bank (community dump)","rights_holder":"College Board","canonical_url":"https://satsuitequestionbank.collegeboard.org/","retrieved_from":"https://raw.githubusercontent.com/mdn522/sat-question-bank/main/data/cb-digital-questions.json","attribution":"SAT practice questions © College Board, from the official SAT Suite Question Bank. Retrieved via the community dump at github.com/mdn522/sat-question-bank.","disclaimer":"SAT® and PSAT/NMSQT® are trademarks registered by the College Board, which is not affiliated with, does not sponsor, and does not endorse this project.","license":"College Board copyright; source repository carries no licence. Local use only.","redistributable":false,"item_count":2017}}