totoroflvff totoroflvff

11-02-2021
Mathematics

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Write a proportion to solve this problem: if 12 math books weigh 40 pounds, how much would 21 math books weigh

Respuesta :

GangstaBrain GangstaBrain

11-02-2021

1 math book is 3.33 pounds or 3 1/3

21x3 1/3 or 3.33 = 69.93

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