The soccer club is selling t-shirts and washing cars to raise money for a summer trip. last week, the club raised $292.50 by selling 15 t-shirts and washing 12 cars. this week, it raised $747.50 by selling 45 t-shirts and washing 10 cars.
(a) write two equations showing the money the club raised each week, where x is the amount earned per t-shirt sold and y is the amount earned per car washed.
(b) how much does the soccer club charge for a t-shirt? show your work.
(c) how much does the soccer club charge for a car wash? show your work.