Question 138354
W=L-2
L*(L-2)=15
L^2-2L-15=0
(L-5)(L+3)=0
L-5=0
L=5 ANSWER FOR THE LENGTH
W=5-2=3 ANSWER FOR THE WIDTH.
PROOF:
5*3=15
15=15
THEREFORE THE PERIMETER OF THIS PEN IS:
2*3+2*5
6+10=16 YARDS OF FENCING IS NEEDED.