Question 706694
L=3W
AREA=LW
240=3W*W
240=3W^2
3W^2=240
W^2=240/3
W^2=80
W=SQRT80
W=8.94 ANS. FOR THE WIDTH.
L=3*8.94=26.83 ANS. FOR THE LENGTH.
PROOF:
240=8.94*26.83
240=240