At the local theater, a customer purchased x children tickets and y adult tickets to a movie. Th total cost of the purchase was $60.25. The equation below describes the relationship between x and y. 5.25x+8.5y=60.25. The ordered pair (5,4) is a solution of the equation. What does the solution (5,4) represent?

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.