Ben has a collection of 15 coins in quarters and dimes there are 7 quarters in the collection and eight dimes in the collection. describe a ratio in words about the coins that compare the whole coin collection to one part of it then write the ratio in at least two different ways

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.