Alocal hamburger shop sold a combined total of 816 hamburgers and cheeseburgers on monday. there were 66 more cheeseburgers sold than hamburgers. how many hamburgers were sold on monday? identify your variables. write an equation, then solve for the answer.

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.