SOLUTION: A student went to a bookstore and bought x books costing $5.50 each and y books costing $8.50 each. She spent $53.00 and bought a total of 8 books. Determine the number of books bo

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A student went to a bookstore and bought x books costing $5.50 each and y books costing $8.50 each. She spent $53.00 and bought a total of 8 books. Determine the number of books bo      Log On


   

Question 704255: A student went to a bookstore and bought x books costing $5.50 each and y books costing $8.50 each. She spent $53.00 and bought a total of 8 books. Determine the number of books bought at each price.
Answer by nshah11(47) About Me  (Show Source):
You can put this solution on YOUR website!
x + y = 8
5.5x + 8.5y = 53
(8.5 - 5.5)y = 53 - (11/2)(8)
3y = 9 => y = 3
x = 5