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Mathematics, 26.10.2019 09:43 itsmemichellel

Amachine 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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Amachine can make 450 balls of yarn in 3 hours. at this rate , how long does it take the machine to...
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