Investors buy a studio apartment for $200,000 of this amount they have a down payment of $40,000 Their down payment is what percent of the purchase price? what percent of the purchase price would a $10,000 down payment be?

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.