Question 688875
A=LW
L=3W-1
24=(3W-1)W
24=3W^2-W
3W^2-W-24=0
(3W+8)(W-3)=0
W-3=0
W=3 ANS. FOR THE WIDTH.
L=3*3-1
L=9-1=8 ANS. FOR THE LENGTH.
PROOF:
24=3*8
24=24