anita53 anita53

09-02-2017
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.

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Lopeztiffani98 Lopeztiffani98

09-02-2017

7 hours, because in one hour the machine can make 150 so 1050 divided by 150 equals 7

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