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OpenStudy (anonymous):
David assembles 12 widgets in 255 minutes. Amy assembles 9 widgets in 170 minutes. Who works at a faster rate?
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OpenStudy (anonymous):
amy!
OpenStudy (anonymous):
We can divide to see how many each person produces per minute, and then well be able to see which one is faster. so 12/255 and 9/170 which is greater?
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