A chemist needs to mix a 10% alcohol solution with a 70% alcohol solution to get 15 liters of a 46% alcohol solution. How many liters of the 10% solution should be used? How many liters of the 70% solution should be used? Use this many liters of the 10% solution: A/ and this many liters of the 70% solution: AV

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.