{"id":"cb_practice_pdf:t9-math-m1-q3","source_id":"cb_practice_pdf","source_item_id":"t9-math-m1-q3","external_id":null,"ibn":null,"question_id":null,"program":"SAT","module":"math","domain_code":null,"domain":null,"skill_code":null,"skill":null,"difficulty":null,"score_band":null,"answer_type":"mcq","answer_source":"rationale","layout_warning":null,"form_id":"cb_practice_pdf:test-9","module_number":1,"position":3,"stem":"., __at_least_24_kilometers_every_day _ Ty set a goal to walk to prepare for a multiday hike. On a certain day, Ty plans to walk at an average speed of 4 kilometers per hour. What is the minimum number of hours Ty must walk on that day to fulfill the daily goal?","stimulus":"","stimulus_html":null,"stem_html":"<p>., __at_least_24_kilometers_every_day _ Ty set a goal to walk to prepare for a multiday hike. On a certain day, Ty plans to walk at an average speed of 4 kilometers per hour. What is the minimum number of hours Ty must walk on that day to fulfill the daily goal?</p>","rationale_html":"<p>Choice B is correct. It’s given that Ty plans to walk at an average speed of 4 kilometers per hour. The number of kilometers Ty will walk is determined by the expression 4s, where s is the number of hours Ty walks. The given goal of at least 24 4 $24 kilometers means that the inequality s represents the situation. $ Dividing both sides of this inequality by 4 gives s 6, which corresponds to a minimum of 6 hours Ty must walk. Choice A is incorrect and may result from conceptual or calculation errors. Choice C is incorrect and may result from conceptual or calculation errors. Choice D is incorrect and may result from conceptual or calculation errors.</p>","correct_answer":["B"],"has_media":false,"has_mathml":false,"has_table":false,"source_created_at":null,"source_updated_at":null,"options":[{"label":"A","content_html":"<p>4</p>","ord":0},{"label":"B","content_html":"<p>6</p>","ord":1},{"label":"C","content_html":"<p>20</p>","ord":2},{"label":"D","content_html":"<p>24</p>","ord":3}],"attribution":{"source_id":"cb_practice_pdf","source_name":"College Board full-length SAT practice tests (PDF)","rights_holder":"College Board","canonical_url":"https://satsuite.collegeboard.org/practice/practice-tests/paper","retrieved_from":"https://satsuite.collegeboard.org/practice/practice-tests/paper","attribution":"Full-length SAT practice tests 4–11 © College Board, published free at satsuite.collegeboard.org.","disclaimer":"Extracted from PDF layout: equations, figures and tables do not survive intact. Use the original PDFs for anything the text renders poorly. SAT® is a trademark registered by the College Board, which is not affiliated with and does not endorse this project.","license":"College Board copyright. Free to download; not licensed for redistribution.","redistributable":false,"item_count":905}}