Question 164157
2L+2W=PERIMETER
L=X+12
W=X
2(X+12)+2X=100
2X+24+2X=100
4X=100-24
4X=76
X=76/4
X=19 FT IS THE WIDTH.
19+12=31 FOR THE LENGTH.
PROOF:
2*31+2*19=100
62+38=100
100=100