sue nees to find the length & width of a room. the room is 4 meters longer then it is wide. its perimeter is 24 meters. what is the width?
P = 2L + 2W
24 = 2(W + 4) + 2W
24 = 4W + 8
24 - 8 = 4W
16 = 4W
4 = W
24 = 2(W + 4) + 2W
24 = 4W + 8
24 - 8 = 4W
16 = 4W
4 = W