toxsicity
21.04.2020 •
Mathematics
Which equation represents the number of points in the problem below?
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+3s=20
B. m+3s=50
C. m+3s+20=50
D. m+s=50
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