{"id":"cb_question_bank:97fe0864-941b-42ec-854a-281701c0b8c5","source_id":"cb_question_bank","source_item_id":"97fe0864-941b-42ec-854a-281701c0b8c5","external_id":"f0db62a7-74c8-4e51-91dd-8c8b80649a49","ibn":null,"question_id":"ece00725","program":"SAT","module":"math","domain_code":"H","domain":"Algebra","skill_code":"H.D.","skill":"Systems of two linear equations in two variables","difficulty":"E","score_band":2,"answer_type":"mcq","answer_source":"key","layout_warning":null,"form_id":null,"module_number":null,"position":null,"stem":"Connor has c dollars and Maria has m dollars. Connor has 4 times as many dollars as Maria, and together they have a total of dollar sign 25.00 . Which system of equations represents this situation?","stimulus":"","stimulus_html":null,"stem_html":"<p style=\"text-align: left;\">Connor has <math alttext=\"c\"><mi>c</mi>\n</math> dollars and Maria has <math alttext=\"m\"><mi>m</mi>\n</math> dollars. Connor has <math alttext=\"4\"><mn>4</mn>\n</math>&nbsp;times as many dollars as Maria, and together they have a total of <math alttext=\"dollar sign 25.00\"><mo>$</mo><mn>25.00</mn>\n</math>. Which system of equations represents this situation?</p>","rationale_html":"<p style=\"text-align: left;\">Choice A is correct. It’s given that Connor has <math alttext=\"c\"><mi>c</mi>\n</math> dollars, Maria has <math alttext=\"m\"><mi>m</mi>\n</math> dollars, and Connor has <math alttext=\"4\"><mn>4</mn>\n</math> times as many dollars as Maria. This can be represented by the equation <math alttext=\"c equals 4 m\"><mrow>\n\t<mi>c</mi>\n\t<mo>=</mo>\n\t<mrow>\n\t\t<mn>4</mn>\n\t\t<mi>m</mi>\n\t</mrow>\n</mrow>\n</math>. It’s also given that together, Connor and Maria have a total of <math alttext=\"dollar sign 25.00\"><mo>$</mo><mn>25.00</mn></math>, which can be represented by the equation <math alttext=\"c plus m equals 25\"><mi>c</mi><mo>+</mo><mi>m</mi><mo>=</mo><mn>25</mn></math>. Therefore, the system consisting of the equations <math alttext=\"c equals 4 m\"><mrow>\n\t<mi>c</mi>\n\t<mo>=</mo>\n\t<mrow>\n\t\t<mn>4</mn>\n\t\t<mi>m</mi>\n\t</mrow>\n</mrow>\n</math> and <math alttext=\"c plus m equals 25\"><mi>c</mi><mo>+</mo><mi>m</mi><mo>=</mo><mn>25</mn></math> represents this situation.</p>\n<p style=\"text-align: left;\">Choice B is incorrect. The equation <math alttext=\"m equals 4 c\"><mrow>\n\t<mi>m</mi>\n\t<mo>=</mo>\n\t<mrow>\n\t\t<mn>4</mn>\n\t\t<mi>c</mi>\n\t</mrow>\n</mrow>\n</math> represents a situation where Maria has <math alttext=\"4\"><mn>4</mn>\n</math> times as many dollars as Connor, rather than the situation where Connor has <math alttext=\"4\"><mn>4</mn>\n</math> times as many dollars as Maria.</p>\n<p style=\"text-align: left;\">Choice C is incorrect. The equation <math alttext=\"c equals 25 m\"><mrow>\n\t<mi>c</mi>\n\t<mo>=</mo>\n\t<mrow>\n\t\t<mn>25</mn>\n\t\t<mi>m</mi>\n\t</mrow>\n</mrow>\n</math> represents a situation where Connor has <math alttext=\"25\"><mn>25</mn>\n</math> times, rather than <math alttext=\"4\"><mn>4</mn>\n</math> times, as many dollars as Maria. The equation <math alttext=\"c plus m equals 4\"><mi>c</mi><mo>+</mo><mi>m</mi><mo>=</mo><mn>4</mn></math> represents a situation where Connor and Maria together have a total of <math alttext=\"dollar sign 4.00\"><mo>$</mo><mn>4.00</mn></math>, rather than <math alttext=\"dollar sign 25.00\"><mo>$</mo><mn>25.00</mn></math>.</p>\n<p style=\"text-align: left;\">Choice D is incorrect. The equation <math alttext=\"m equals 25 c\"><mrow>\n\t<mi>m</mi>\n\t<mo>=</mo>\n\t<mrow>\n\t\t<mn>25</mn>\n\t\t<mi>c</mi>\n\t</mrow>\n</mrow>\n</math> represents a situation where Maria has <math alttext=\"25\"><mn>25</mn>\n</math> times as many dollars as Connor, rather than the situation where Connor has <math alttext=\"4\"><mn>4</mn>\n</math> times as many dollars as Maria. The equation <math alttext=\"c plus m equals 4\"><mi>c</mi><mo>+</mo><mi>m</mi><mo>=</mo><mn>4</mn></math> represents a situation where Connor and Maria together have a total of <math alttext=\"dollar sign 4.00\"><mo>$</mo><mn>4.00</mn></math>, rather than <math alttext=\"dollar sign 25.00\"><mo>$</mo><mn>25.00</mn></math>.</p>","correct_answer":["A"],"has_media":false,"has_mathml":true,"has_table":false,"source_created_at":"2023-08-02T20:25:59.817000+00:00","source_updated_at":"2023-08-02T20:25:59.817000+00:00","options":[{"label":"A","content_html":"<p><math alttext=\"c equals 4 m\"><mi>c</mi><mo>=</mo><mn>4</mn><mi>m</mi></math></p>\n<p><math alttext=\"c plus m equals 25\"><mi>c</mi><mo>+</mo><mi>m</mi><mo>=</mo><mn>25</mn></math></p>","ord":0},{"label":"B","content_html":"<p><math alttext=\"m equals 4 c\"><mi>m</mi><mo>=</mo><mn>4</mn><mi>c</mi></math></p>\n<p><math alttext=\"c plus m equals 25\"><mi>c</mi><mo>+</mo><mi>m</mi><mo>=</mo><mn>25</mn></math></p>","ord":1},{"label":"C","content_html":"<p><math alttext=\"c equals 25 m\"><mi>c</mi><mo>=</mo><mn>25</mn><mi>m</mi></math></p>\n<p><math alttext=\"c plus m equals 4\"><mi>c</mi><mo>+</mo><mi>m</mi><mo>=</mo><mn>4</mn></math></p>","ord":2},{"label":"D","content_html":"<p><math alttext=\"m equals 25 c\"><mi>m</mi><mo>=</mo><mn>25</mn><mi>c</mi></math></p>\n<p><math alttext=\"c plus m equals 4\"><mi>c</mi><mo>+</mo><mi>m</mi><mo>=</mo><mn>4</mn></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}}