Your school is planning a field trip to the zoo. There are two different bus companies that the school can use. Bus company A has a $35 rental fee plus $5 for each student. Bus company B has a $95 rental fee plus $3 for each student. How many students will need to go in order for the bus to cost the same from both companies?

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.