Answer:
13
Step-by-step explanation:
because I did the math and I learned this today it's simple
L-w=5
L=w+5
P=2*(L+w)=24
L+w=24/2
L+w=12
w+5+w=12
2w+5=12
2w=12-5
2w=7
w=7/2
w=3.5
L=2+3.5
L=5.5