leahtaylor101010 leahtaylor101010

25-03-2024
Mathematics

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A new yo-yo making machine can make 275 yo-yo's per hour, while an older machine can make 225 yo-yo's per hour. How many minutes will it take the two machines working together to make a total of 750 yo-yo's?
(A) 75
(B) 84
(C) 90
(D) 104

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