algebra
posted by gen on .
the difference between the length and width of a rectangle is 5 centimeters. what is the length(the longer side) of the rectangle, if the perimeter is equal to 66 centimeters

P = 2L + 2W
66 = 2(W + 5) + 2W
66 = 4W + 10
56 = 4W
14 = W