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OpenStudy (anonymous):
A copy machine makes 28 copies per minute. How long does it take to make 154 copies?
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OpenStudy (anonymous):
5.5 minutes
OpenStudy (anonymous):
agreed with 5.5
OpenStudy (anonymous):
Don't You Mean 5 Mins And 5 Seconds?
OpenStudy (anonymous):
5 minutes and 30 seconds
OpenStudy (anonymous):
Oh Okay I Got How You Did That. Thanks
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OpenStudy (anonymous):
\[\frac{ 60 secons }{ 28 copies } = \frac{ x seconds }{ 154 copies }\]
OpenStudy (anonymous):
i just messed around with numbers until i got 5.5
OpenStudy (anonymous):
i first used 5, then 6, then 5.5 and got the answer
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