Jason has a collection of 120 baseball cards. He let his friend Justus get 14 of his collection and sells 1/5 to ebay. He took 20 to give to his little brother. How many more baseball cards remain in Jason's collection?​

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.