Joanna ran a mile in physical education class. after resting for one hour, her heart rate was 60 beats per minute. if her heart rate decreaded by 2/5, what was her heart rate immediately after she ran the mile?

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.