Answer:
Part 1) 15 cubic inches
Part 2)
or

Explanation:
Part 1) A rectangular prism has a length of 3 inches, a width of 5 inches, and a height of 1 inches.
What is the volume of the prism?
we know that
The volume of the rectangular prism is equal to

substitute the given values

Part 2)
A rectangular prism has a length of 3 1/2 inches, a width of 5 inches, and a height of 1 1/2 inches.
What is the volume of the prism?
we know that
The volume of the rectangular prism is equal to

we have



substitute

Convert to mixed number
