L=0.3(J+H) (1)
H=0.2(J+L) (2)
J=L+87 (3)
Substitute (3) inot the other 2 and then solve them simulaneously.
Can you take it from there?
Are you looking for help Rob
or are you just posting a fun puzzle question?
Either way it is fine but you should make it clear whether or not you are actually looking for help.
+103 
