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a machine can print 335 copies in 5 minutes. at this rate, how many copies can be printed in one hour?

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ans is 4020 copies


5\text{minutes}=335\text{ copies}
\begin{gathered} 1\text{ minute}=(335)/(5)=67\text{ copies} \\ 1\text{hour}=60\text{ minutes}=60*67=4020\text{ copies} \end{gathered}

User Jan Slominski
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