Question 293971
W=L+3
P=2L+2W
30=2L+2(L+3)
30=2L+2L+6
30=4L+6
4L=30-6
4L=24
L=24/4
L=6 ANS. FOR THE LENGTH.
W=6+3=9 ANS. FOR THE WIDTH.
PROOF:
30=2*9+2*6
30=18+12
30=30