the owner of a group of gyms decided to give out towels to each member who attends an excercise class on monday .the owner used the following information to estimate the total number of members who wll get towels. there is 3 gyms there 15-20 excerise classes in each gym. there are 25-30 members in each excersice class. what is the best estimate of the total number of towels the owner will need to give out ?