Write an equation that will help you find the number of hours it takes for the two companies to cost the same. $75.00 service charge plus $50.00 an hour and $25.00 service charge plus $70.00 an hour

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.