Question

You have a 10 by 24 piece of cardboard. You are going to cut squares of equal size from each corner, and fold up the sides to make an open box as shown below. Write an expression for the width of the box.

Answer 1

10-2x

Explanation:

If x is the length of one side of the square, the total width of the cardboard has two squares cut from it. The amount of width remaining is the width of the box. Since the original width of the cardboard is 10, the width of the box is ...

10 -2x