Win bakes fruit bars in a pan shaped like a rectangular prism the volume of the pan is 120in the length of the pan is 8 in and its height is 1 1/2 in. need answers now trying to pull up grades

The correct question is 
Win bakes fruit bars in a pan shaped like a rectangular prism. The volume of the pan is 120 in³. The length of the pan is 8 in., and its height is 1 1/2 in. What is the width of the pan? Enter your answer in the box.

we know that
[volume of a rectangular prism]=length*width*height
width=[volume of a rectangular prism]/(length*height)
length=1 1/2 in> (1*2+1)/2> 3/2 in
width=[120]/(8*3/2)> 10 in

the answer is 10 in