30. Tina went to batting cages with $20. She rented a bat for $3.25 and paid $3 for each round. What was the greatest number of rounds Tina
could have played?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?