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July 7, 2015

Homework Help: ALGEBRA

Posted by Katie on Thursday, April 17, 2008 at 8:28pm.

A new photocopier can make 72 copies in 2 min. When an older photocopier is working, the two photocopiers can make 72 copies in 1.5 min. How long will it take the older photocopier working alone to make 70 copies?

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