28ssmith35 28ssmith35

23-11-2020
Mathematics

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If 12 math books weigh 40 pounds, how much would 21 math books weigh?

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Аноним Аноним

23-11-2020

Answer:

70 pounds

Step-by-step explanation:

12/4=3

40/4=10

3x7=21

10x7=70

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