1. The problem statement, all variables and given/known data http://s241.photobucket.com/albums/ff121/JaguarJaguar/?action=view¤t=chap16cw.jpg 2. Relevant equations I don't have a clue as to where to start 3. The attempt at a solution 2 + 2 = 9... no but seriously, i hope i'm in the right forum because I need a lot of help with this problem. I just hope i came to the right place.