I am having trouble with P=2w + 2L Here is what I did:
50= 2(1 + 1/3L)+2L =
50(3)=2(3) 1(3) 1/3(3) 2L(3)=
150= 6(3+L)+6L=
150= 18 +6L + 6L
150 - 18+ 12L
132= 12L
132/12=