The length of a parking lot is 6 yards more than the width. If the area of the parking lot is 112 square​ yards, find the dimensions of the parking lot.

Answer 1

L=6 + W

LW = 112

(6+W)W = 112

W^2 + 6W - 112 = 0

W^2 +6W + 9 = 112 + 9

(W+3)^2 = 121

W+3 = 11

W = 8 yards

L= 112/8 = 14 yards