Question
Oscar has some money to buy some files. He will have $2 if he buys 7 files. However, he will need $6 more if he wants to buy 11 files. How much money does each file cost?
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Oscar has some money to buy some files. He will have $2 if he buys 7 files. However, he will need $6 more if he wants to buy 11 files. How much money does each file cost?