{"id":"cb_question_bank:fd06c555-bff4-4d51-aa00-42479c59c0d8","source_id":"cb_question_bank","source_item_id":"fd06c555-bff4-4d51-aa00-42479c59c0d8","external_id":"5033c9a1-3f55-43c6-abad-0ff80dc97762","ibn":null,"question_id":"b64e2c7f","program":"SAT","module":"math","domain_code":"H","domain":"Algebra","skill_code":"H.E.","skill":"Linear inequalities in one or two variables","difficulty":"E","score_band":1,"answer_type":"mcq","answer_source":"key","layout_warning":null,"form_id":null,"module_number":null,"position":null,"stem":"Monarch butterflies can fly only with a body temperature of at least 55.0 degrees Fahrenheit left parenthesis degree upper F right parenthesis . If a monarch butterfly's body temperature is 51.3 degree upper F , what is the minimum increase needed in its body temperature, in degree upper F , so that it can fly?","stimulus":"","stimulus_html":null,"stem_html":"<p>Monarch butterflies can fly only with a body temperature of at least <math alttext=\"55.0 degrees Fahrenheit left parenthesis degree upper F right parenthesis\"><mn>55.0</mn><mo>&nbsp;</mo><mtext>degrees</mtext><mo>&nbsp;</mo><mtext>Fahrenheit</mtext><mo>&nbsp;</mo><mfenced><mrow><mo>°</mo><mtext>F</mtext></mrow></mfenced></math>. If a monarch butterfly's body temperature is <math alttext=\"51.3 degree upper F\"><mn>51.3</mn>\n<mo>°</mo><mtext>F</mtext></math>, what is the minimum increase needed in its body temperature, in <math alttext=\"degree upper F\"><mo>°</mo><mtext>F</mtext></math>, so that it can fly?</p>","rationale_html":"<p style=\"text-align: left;\">Choice B is correct. It's given that monarch butterflies can fly only with a body temperature of at least&nbsp;<math alttext=\"55.0 degrees Fahrenheit left parenthesis degree upper F right parenthesis\"><mn>55.0</mn><mo>&nbsp;</mo><mtext>degrees</mtext><mo>&nbsp;</mo><mtext>Fahrenheit</mtext><mo>&nbsp;</mo><mfenced><mrow><mo>°</mo><mtext>F</mtext></mrow></mfenced></math>. Let <math alttext=\"x\"><mi>x</mi>\n</math> represent the minimum increase needed in the monarch butterfly's body temperature to fly. If the monarch butterfly's body temperature is <math alttext=\"51.3 degree upper F\"><mn>51.3</mn><mo>°</mo><mtext>F</mtext></math>, the inequality <math alttext=\"51.3 plus x greater than or equals 55.0\"><mn>51.3</mn><mo>+</mo><mi>x</mi><mo>≥</mo><mn>55.0</mn></math> represents this situation. Subtracting <math alttext=\"51.3\"><mn>51.3</mn></math> from both sides of this inequality yields <math alttext=\"x greater than or equals 3.7\"><mi>x</mi><mo>≥</mo><mn>3.7</mn></math>. Therefore, if the monarch butterfly's body temperature is <math alttext=\"51.3 degree upper F\"><mn>51.3</mn><mo>°</mo><mtext>F</mtext></math>, the minimum increase needed in its body temperature, in <math alttext=\"degree upper F\"><mo>°</mo><mtext>F</mtext></math>, so that it can fly is&nbsp;<math alttext=\"3.7\"><mn>3.7</mn></math>.</p>\n<p style=\"text-align: left;\">Choice A is incorrect. This is the minimum increase needed in body temperature&nbsp;if the monarch butterfly's body temperature is <math alttext=\"53.7 degree upper F\"><mtext>53.7</mtext><mo>°</mo><mtext>F</mtext></math>, not&nbsp;<math alttext=\"51.3 degree upper F\"><mn>51.3</mn><mo>°</mo><mtext>F</mtext></math>.</p>\n<p style=\"text-align: left;\">Choice C is incorrect. This is the minimum increase needed in body temperature if the monarch butterfly's body temperature is <math alttext=\"50.0 degree upper F\"><mn>50.0</mn><mo>°</mo><mtext>F</mtext></math>, not <math alttext=\"51.3 degree upper F\"><mn>51.3</mn><mo>°</mo><mtext>F</mtext></math>.</p>\n<p style=\"text-align: left;\">Choice D is incorrect. This is the minimum increase needed in body temperature if the monarch butterfly's body temperature is <math alttext=\"48.7 degree upper F\"><mn>48.7</mn><mo>°</mo><mtext>F</mtext></math>, not <math alttext=\"51.3 degree upper F\"><mn>51.3</mn><mo>°</mo><mtext>F</mtext></math>.</p>","correct_answer":["B"],"has_media":false,"has_mathml":true,"has_table":false,"source_created_at":"2023-08-02T20:25:59.820000+00:00","source_updated_at":"2023-08-02T20:25:59.820000+00:00","options":[{"label":"A","content_html":"<p><math alttext=\"1.3\"><mn>1.3</mn>\n</math></p>","ord":0},{"label":"B","content_html":"<p><math alttext=\"3.7\"><mn>3.7</mn>\n</math></p>","ord":1},{"label":"C","content_html":"<p><math alttext=\"5.0\"><mn>5.0</mn>\n</math></p>","ord":2},{"label":"D","content_html":"<p><math alttext=\"6.3\"><mn>6.3</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}}