Question

The perimeter of a rectangle is 48 cm. The length is 6 cm less than twice the width. Which system would model this situation, and what are the length and the width?

Answer 1

let w = width, l = length then:

2w + 2l = 48

and

l = 2w - 6

so we have the system

2w + 2l = 48
2w - l = 6