I am having trouble with this story problem.

Question

Lucy is making a model of a building by using mold, which is in a shape of rectangular prism and open on one side. It has a length of 18 centimeters, a height of 42 centimeters, and a constant thickness on all sides. The model she constructed has a volume of 6160 cubic centimeters. What is the thickness of the mold?

0 0 30 0 0

Answer 1

https://www.jiskha.com/questions/1779727/Lucy-is-making-a-model-of-a-building-by-using-mold-which-is-in-a-shape-of-rectangular