This problem is giving me a headache. I don't even know where to start.
I just need to model this problem (not solve it) in the form:
a) actions / variables
b) function to maximize
c) constraints
It says in binary numbers, but if you don't know how forget about it.
http://i54.tinypic.com/2aa13cp.jpg
They use this method in my book:
http://i51.tinypic.com/wi7g9.gif