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OpenStudy (anonymous):
A copy machine makes 165 copies in 3 minutes and45 seconds. How many copies does it make per minute?
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OpenStudy (anonymous):
hint time t=3 minutes and45 seconds t=3 min x 60 sec/min +45 sec t=180+45=225 sec t= 225 secx(1min/60sec)=3.75 min now that there is 165 copies How many copies does it make per minute?
OpenStudy (anonymous):
@krissy7606
OpenStudy (anonymous):
alternate solution change 45 sec to min then add it to 3 min... t=3 min + 45(1/60) = 3.75 min now that there is 165 copies How many copies does it make per minute?
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