Which ordered pair is the solution of the system of equations below? (1 +2y = 6
(3x + By = 4
A. (2.2)
B. (4.10)
C. (10,-2)
D. (20,-7)
Help

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?