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OpenStudy (anonymous):
a copy machine makes 102 copies in 4 minutes and 15 seconds. how many copies does it make per minute?
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OpenStudy (anonymous):
24 copies.
OpenStudy (anonymous):
4 minutes and 15 seconds is 255 seconds. Divide the number of copies by 255 to get copies per second, then multiply by 60 to get the number per 60 seconds.
OpenStudy (anonymous):
102 copies are made in 17/4 minutes. Then how many copies are made in 1 minute?
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