Corey's salsa recipe calls for 2 cups of onions for every 4 pounds of tomatoes. Corey plans to use 10 pounds of tomatoes and wonders how many cups of onion he needs​

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.