Question
Mr. Sih wants to buy the same type of files. If he buys 5 files, he will have $5 left. If he buys 11 files, he will be short of $4.30. How much do 5 files cost?
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Mr. Sih wants to buy the same type of files. If he buys 5 files, he will have $5 left. If he buys 11 files, he will be short of $4.30. How much do 5 files cost?