Question 162534
L=W+2
AREA=L*W
168=(W+2)W
168=W^2+2W
W^2+2W-168=0
(W-12)(X+14)=0
W-12=0
W=12 IS THE WIDTH.
L=12+2=14 IS THE LENGTH.
PROOF:
168=12*14
168=168