The regular price for designer jeans is $74.95. when the jeans are on sale for 20% off, what is the discount and the sale price?   a. discount: $7.50, sale price: $67.45   b. discount: $14.99, sale price: $59.96   c. discount: $20.00, sale price: $54.95   d. discount: $22.44, sale price: $52.51

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?