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A rectangular prism has a length of 9 in., a width of 4 in., and a height of 1 1/2 in. The prism is filled with cubes that have edge lengths of 1/2 in. How many cubes are needed to fill the rectangular
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A rectangular prism has a length of 9 in., a width of 4 in., and a height of 1 1/2 in.

The prism is filled with cubes that have edge lengths of 1/2 in.

How many cubes are needed to fill the rectangular prism?

User Azeez
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1 Answer

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First calculate the area of the rectangular prism and the small cubes.
Rectangular prism: 54 in. cubed
Small cube: 0.125 in. cubed

Then divide the area of the rectangular prism by the area of the small cube.
Cubes needed to fill rectangular prism: 432 cubes
User N Brouwer
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