Question

A rectangular prism has a legnth 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?

Enter your answer in the box.

TO FILL THE RECTANGULAR PRISM, _____ CUBES ARE NEEDED

Answer 1

432 cubes

Explanation:

V = 9 x 4 x 1.5 = 54 in³

V = 1/2 x 1/2 x 1/2 = 1/8 in³

54/(1/8) = 432 cubes