SOLUTION: Janine spent 55 dollars at the bookstore. she bought 2 books for a totally of 10 dollars and 4 books for a total of 25. how many additional books did she buy if her average cost wa
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Question 1021972: Janine spent 55 dollars at the bookstore. she bought 2 books for a totally of 10 dollars and 4 books for a total of 25. how many additional books did she buy if her average cost was 5 dollars per book?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
If she spent $55 at an average of $5 per book, she bought 11 books.
2 books at $10 and 4 books at $25 is 6 books, so she bought an
additional 5 books.
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