6. FITNESS CLUB Nancy is deciding which fitness club she should join. Fitness Club A multiplies the average number of monthly visits by $5, where the average number of monthly visits is 20 visits for a member
who lives fewer than 10 miles away from the club and 14 visits for a member who lives 10 miles or more
from the club. Fitness Club B multiplies the exact number of monthly visits to the club by $7. Suppose
Nancy lives fewer than 10 miles from Fitness Club A and typically visits a fitness club 17 times per
month. Find Nancy's monthly cost of membership at each club.