Question 82403
L=2W+4
P=2L+2W THUS
56=2(2W+4)+2W
56=4W+8+2W
56=6W+8
6W=56-8
6W=48
W=48/6
W=8 IS THE WIDTH
PROOF
56=2(2*8+4)+2*8
56=2(16+4)+16
56=2*20=16
56=40+16
56=56