{"id":"cb_question_bank:51c02cfd-9858-4a82-9307-29f2e9f7abc2","source_id":"cb_question_bank","source_item_id":"51c02cfd-9858-4a82-9307-29f2e9f7abc2","external_id":"5b069676-b4f1-4f88-aa86-55183f3f0055","ibn":null,"question_id":"3d04de9c","program":"SAT","module":"math","domain_code":"H","domain":"Algebra","skill_code":"H.A.","skill":"Linear equations in one variable","difficulty":"E","score_band":1,"answer_type":"mcq","answer_source":"key","layout_warning":null,"form_id":null,"module_number":null,"position":null,"stem":"A principal used a total of 25 flags that were either blue or yellow for field day. The principal used 20 blue flags. How many yellow flags were used?","stimulus":"","stimulus_html":null,"stem_html":"<p>A principal used a total of <math alttext=\"25\"><mn>25</mn>\n</math> flags that were either blue or yellow for field day. The principal used <math alttext=\"20\"><mn>20</mn>\n</math> blue flags. How many yellow flags were used?</p>","rationale_html":"<p style=\"text-align: left;\">Choice A is correct. It's given that a principal used a total of <math alttext=\"25\"><mn>25</mn>\n</math> blue flags and yellow flags. It's also given that of the <math alttext=\"25\"><mn>25</mn>\n</math> flags used, <math alttext=\"20\"><mn>20</mn>\n</math> flags were blue. Subtracting the number of blue flags used from the total number of flags used results in the number of yellow flags used. It follows that the number of yellow flags used is <math alttext=\"25 minus 20\"><mn>25</mn><mo>-</mo><mn>20</mn></math>, or <math alttext=\"5\"><mn>5</mn>\n</math>.&nbsp;</p>\n<p style=\"text-align: left;\">Choice B is incorrect. This is the number of blue flags used.</p>\n<p style=\"text-align: left;\">Choice C is incorrect. This is the total number of flags used.</p>\n<p style=\"text-align: left;\">Choice D is incorrect and may result from conceptual or calculation errors.</p>","correct_answer":["A"],"has_media":false,"has_mathml":true,"has_table":false,"source_created_at":"2023-08-02T20:25:59.808000+00:00","source_updated_at":"2023-08-02T20:25:59.808000+00:00","options":[{"label":"A","content_html":"<p><math alttext=\"5\"><mn>5</mn>\n</math></p>","ord":0},{"label":"B","content_html":"<p><math alttext=\"20\"><mn>20</mn>\n</math></p>","ord":1},{"label":"C","content_html":"<p><math alttext=\"25\"><mn>25</mn>\n</math></p>","ord":2},{"label":"D","content_html":"<p><math alttext=\"30\"><mn>30</mn>\n</math></p>","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}}