Question

The length of a rectangle is 12 feet less than the width. The permitir is 60 feet.find the length and width.

Answer 1

l = w - 12

2l + 2w = 60

2(w-12) + 2w = . 60

2w - 24 + 2w = 60

4w = 84

w = 21

21 - 12 = 9

Width is 21 feet, Length is 9 feet