Question

I am confused on The fraction part..........

Answer 1

66
1 1/2=1.5
4*1.5*11=66
66 inches

Answer 2

To make this problem easy let's change fraction to decimal.
So, our width is
`(3)/(2)` = 1.5

Area of rectangular prism = l * w * h
= 11 * 1.5 * 4
= 66 inch³
Answer = 66 inch³

Hope this helps you :)