carson's family bought 3 bags of bird seed for 17 dollars each . his neighbor's family bought 4 bags of bird seed for 13 dollars each . who spent more on bird seed , Carson's family or his neighbor's family

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?