Question 231139
L=3W+6
2L+2W=84
2(3W+6)+2W=84
6W+12+2W=84
8W=84-12
8W=72
W=72/8
W=9 FT. ANS. FOR THE WIDTH.
L=3*9+6
L=27+6
L=33 FT. ANS. FOR THE LENGTH.
PROOF:
2*33+2*9=84
66+18=84
84=84