An electrician bought 120 feet of electrical wire and used 105 feet of it what percent of wire went unused
a. 15%
b. 12.5%
c. 8.75%
d. 7%

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?