The perimeter of a rectangle is 30 inches. The length is 3 more than the width. What is the length and width of the rectangle?
Perimeter = P
Width = W
Length = L
P = 2W + 2L
P = 2W + 2(W+3) (length is 3 more than width)
P = 4W + 6
30 = 4W + 6 (Perimeter is 30 inches)
4W = 24
W = 6, L = 9