intermediate algebra
posted by joy .
the length of a rectangular swimming pool is four times the width. If the primeter is 160 feet, then what are the length and width

P = 2L + 2W
160 = 2(4W) + 2W
160 = 8W + 2W
160 = 10W
160/10 = W
16 = W
16 * 4 = L
64 = L