lelegloday lelegloday

09-12-2016
Mathematics

contestada

a machine takes 2.8 hours to make 9 parts at that rate,how many parts can machine make in 28.0

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ShaveTheWhales ShaveTheWhales

09-12-2016

The answer is 90.
28/2.8 = 10
10 x 9 = 90

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