Solution
Given the dimensions of a rectangular prism as
length: 1.5 ft
width: 1 ft
Height: 2.5 ft
Part A.
Volume of a rectangular prism =
Volume of small cubes
Number of small cubes that can be packed in a rectangular prism is 30
Hence, there are 30 small cubes that can be packed in the rectangular box.
Part B.
The volume is given as