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27 March, 05:38

A copy machine makes 171 coies in 4 minutes and 45 seconds. How many copies does it make per minute?

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  1. 27 March, 06:24
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    36

    Step-by-step explanation:

    171 / (4+0.75) = 36

    you want it to be in minutes, so calculate the 45 seconds over 60 seconds, which is 0.75. Add that to the 4 minutes, and divide the total number of copies over the time used, and you have speed/minute.
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