SOLUTION: A machine can make 20 parts in 5 minutes. How long will it take the machine to make 30 parts

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Question 698983: A machine can make 20 parts in 5 minutes. How long will it take the machine to make 30 parts
Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
20/5=30/x
20x=150
x=150/20
x=7.5

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