Question
Mr. Leow wants to buy the same type of files. If he buys 10 files, he will have $5 left. If he buys 12 files, he will be short of $8.30. How much do 10 files cost?
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Mr. Leow wants to buy the same type of files. If he buys 10 files, he will have $5 left. If he buys 12 files, he will be short of $8.30. How much do 10 files cost?