Question
1 folder $4
1 textbook $9
Xandra had just enough money to buy 4 textbooks. However, she bought some folders instead. How many folders did she buy if she spent all her money?
4 m

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1 folder $4
1 textbook $9
Xandra had just enough money to buy 4 textbooks. However, she bought some folders instead. How many folders did she buy if she spent all her money?