Kate's soccer team is selling coupon books and recipe books to raise money for transportation to their games. Coupon books cost $12 each and recipe books cost $7.50 each. If Kate sold a total of 42 books and raised $441, how many coupon books did she sell?

Answer rating: 100% (QA)

Let C represent the number of coupon books sold and R represent the number of recipe books sold T... View the full answer