Question 315215
L=W+5
P=2L+2W
70=2(W+5)+2W
70=2W+10+2W
70=4W+10
4W=17-10
4E=60
W=60/4
W=15 INCHES. ANS. FOR THE WIDTH.
L=15+5=20 INCHES ANS. FOR THE LENGTH.
PROOF:
70=2*20+2*15
70=40+30
70=70