An investor invested a total of $2,400 in two mutual funds. One fund earned a 7% profit while the other earned a 5% profit. If the investor's total profit was $134, how much was invested in each mutual fund?

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.