Question 676698
L=3W+3
P=2L+2W
70=2(3W+3)+2W
70=6W+6+2W
70=8W+6
8W=70-6
8W=64
W=64/8
W=8 ANS. FOR THE WIDTH.
L=3*8+3
L=24+3
L=27 ANS. FOR THE LENGTH.
PROOF:
70=2*27+2*8
70=54+16
70=70