anita53 anita53

15-02-2017
Mathematics

contestada

a machine can make 450 balls of yarn in 3 hours. at this rate , how long does it take the machine to 1,050 balls of yarn. using substiution?

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CalebYarbrough CalebYarbrough

15-02-2017

7 hours. If 3 hours is 450, then 1 hour is 150. And, 1050 is 7

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kadinj05277 kadinj05277

15-02-2017

it will take 7 hours:)

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