Hey guys, This is my first post, and I spent a lot of time trying to figure this one out and I am totally stumped! Two of my classmates got different answers, and no matter how many ways i work this problem out, I still get the same answer. Also, forgive me if my mistake is really simple because at this time last year I was in a pre-algebra class. Now, I'm in precalculus and managing to get an A, but I still make arithmetic mistakes at times. I hope this attachment works right.