lAlvaMotole lAlvaMotole

30-01-2017
Mathematics

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A machine can pack sneakers at a rate of 4 pairs every 12 seconds.how many pairs of sneakers can this machine pack in a minute?

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ghostofthepast ghostofthepast

30-01-2017

The machine can pack 20 pairs per minute.
4 pairs = 12 seconds
60 seconds = 1 minute
60 seconds / 12 seconds = 5
5 x 4 = 20 pairs

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