Answer:
The surface area of the prism is equal to 72 sq inches.
Explanation:
Given that,
A rectangular prism with a length of 7 inches, a width of 3 inches, and a height of 1 1/2 inches.
The surface area of a rectangular prism is given by :

Put all the values,

So, the surface area of the prism is equal to 72 sq inches.