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Mathematics

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A rectangular block of wood is 3" by 4" by 5", is cut from a cubic foot of woid weighing 72 pounds. How much does the small block weigh?

Answer :

wolf1728 wolf1728

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Answer:

The cubic foot of wood = 1,728 cubic inches.

So a cubic inch weighs (72 / 1,728) pounds = 0.041666666... pounds

3" x 4" x 5" = 60 cubic inches

60 cubic inches * .04166666... pounds / cubic inch =

2.5 pounds

Step-by-step explanation:

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