Answer:
48 cubes
Explanation:
The complete question is
A rectangular prism with a volume of 6 cubic units is filled with cubes with side lengths of 1/2 unit. How many 1/2 unit cubes does it take to fill the prism?
step 1
Find the volume of the cube
The volume of the cube is equal to

where
b is the length side of the cube
we have

substitute


step 2
To find out how many half-unit cubes are needed to fill the prism, divide the volume of the prism by the volume of the cube
