{"id":"cb_question_bank:73831bba-349d-4e77-976b-68b15fd4518d","source_id":"cb_question_bank","source_item_id":"73831bba-349d-4e77-976b-68b15fd4518d","external_id":null,"ibn":"029306-DC","question_id":"8917ce38","program":"SAT","module":"math","domain_code":"Q","domain":"Problem-Solving and Data Analysis","skill_code":"Q.A.","skill":"Ratios, rates, proportional relationships, and units","difficulty":"M","score_band":4,"answer_type":"mcq","answer_source":"key","layout_warning":null,"form_id":null,"module_number":null,"position":null,"stem":"Which of the following speeds is equivalent to 90 kilometers per hour? (1 kilometer = 1,000 meters)","stimulus":"","stimulus_html":null,"stem_html":"<p class=\"stem_paragraph \">Which of the following speeds is equivalent to 90 kilometers per hour? (1 kilometer = 1,000 meters)</p>\n","rationale_html":"<p>Choice A is correct. Since 1 kilometer is equal to 1,000 meters, it follows that 90 kilometers is equal to <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/7f55b131db9a1ec4c4a31a6d02927077e90bddfa77411fcb24bc406e23fe88d7\" alt=\"90 times 1,000, equals 90,000 \"></span> meters. Since 1 hour is equal to 60 minutes and 1 minute is equal to 60 seconds, it follows that 1 hour is equal to <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/b29122615632c423ea2a0f289473a0cc3a7bb916a8a18912d389c1cc11e358f0\" alt=\"60 times 60, equals 3,600 \"></span> seconds. Now <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/589c6033a659c9361cd460329b6fca6cf1a26f625778f8cd2030ac3747bc5bcd\" alt=\"the fraction 90 kilometers over 1 hour\"></span> is equal to <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/6797dd50719fe70f37be4f32f6394ff1543198aad864ee8f558a7909958a34b7\" alt=\"the fraction 90,000 meters over 3,600 seconds\"></span>, which reduces to <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/15dea43eaac9cbfe6ec050944da64fdd94eea29c755996344f7f6d07979ee1e2\" alt=\"the fraction 25 meters over 1 second\"></span> or 25 meters per second.</p><p>Choices B, C, and D are incorrect and may result from conceptual or calculation errors.</p><p>&nbsp;</p><p></p>\n","correct_answer":["A"],"has_media":true,"has_mathml":false,"has_table":false,"source_created_at":"2023-08-02T20:25:59.624000+00:00","source_updated_at":"2023-08-02T20:25:59.624000+00:00","options":[{"label":"A","content_html":"<p class=\"choice_paragraph \">25 meters per second</p>\n","ord":0},{"label":"B","content_html":"<p class=\"choice_paragraph \">32 meters per second</p>\n","ord":1},{"label":"C","content_html":"<p class=\"choice_paragraph \">250 meters per second</p>\n","ord":2},{"label":"D","content_html":"<p class=\"choice_paragraph \">324 meters per second</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}}