Question 739217
AREA=LW
L=2W+3
90=(2W+3)W
90=2W^2+3W
2W^2+3X-90=0
(W-6)(2W+15)=0
W-6=0
W=6 ANS. FOR THE WIDTH.
L=2*6+3
L=12+3=15 ANS.
PROOF"
90=6*15
90=90