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. Matt got a 90% on his test. If Matt got 36 questions correct, how many questions were on the test? A. 37 B. 46 C. 40 D. 32

1 Answer

4 votes

90% = 36 questions

100% = x questions

then


\begin{gathered} 90\cdot x=100\cdot36 \\ 90x=3600 \\ (90x)/(90)=(3600)/(90) \\ x=40 \end{gathered}

answer: C 40

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