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Mathematics 15 Online
OpenStudy (anonymous):

help!!

OpenStudy (anonymous):

A test is worth 50 points. Multiple-choice questions are worth 1 point, and short-answer questions are worth 3 points. If the test has 20 questions, how many multiple-choice questions are there? A. m + s = 50 B. m + 3s + 20 = 50 C. m + 3s = 50 D. m + 3s = 20

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