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A grading machine can grade 48 multiple-choicetests in 1 minute. How long will it take themachine to grade 300 tests?

A grading machine can grade 48 multiple-choicetests in 1 minute. How long will it take themachine to grade 300 tests?
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A grading machine can grade 48 multiple-choicetests in 1 minute. How long will it take themachine to grade 300 tests?

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User Iphone User
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1 Answer

3 votes

48 tests ----> 1 minute

300 tests --> x minutes


\begin{gathered} 48* x=300*1 \\ 48x=300 \\ (48x)/(48)=(300)/(48) \\ x=(25)/(4)=6.25 \end{gathered}

answer: 6.25 minutes

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User RememberME
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