Th e length of an open-top box is 4 cm longer than its width. The box was made from a 480-cm2 rectangular that was 6 cm-by-6 cm squares cut from each corner.

Question

The height of the box is 6 cm. Find the dimensions of the box.

Answer 1

Draw and able a diagram!

The original size of the rectangle was (w + 12) by (w + 18)

480 = (w + 12)(w + 18)

 

Can you solve for w and answer?