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Mathematics, 18.12.2019 21:31 jm900643
8. mr. wilson's class took an exam consisting of multiple choice and fill-in-the-blank questions. it takes katie 2 minutes to answer a multiple choice question and 4 minutes to answer a fill-in-the-blank question. katie finished the exam in 140 minutes. it takes robert 5 minutes to answer a multiple choice question and 6 minutes to answer a fill-in-the-blank question. robert finished the exam in 250 minutes. which system of equations below can be used to determine the number of multiple choice and fill-in-the-blank questions that were on the exam?
(let x represent the number of multiple choice questions and y represent the number of fill-in-the-blank questions.)
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8. mr. wilson's class took an exam consisting of multiple choice and fill-in-the-blank questions. it...
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