P = 2L + 2W
90 = 2(2W + 9) + 2W
90 = 6W + 18
90 - 18 = 6W
72 = 6W
12 = W
24 + 9 = L
The length of a rectangle is 9 feet longer than twice the width. If the perimeter is 90 feet, find the length and width of the rectangle?
1 answer