Question
Mr. Lin wants to buy the same type of pencils. If he buys 10 pencils, he will have $3 left. If he buys 12 pencils, he will be short of $7.10. How much do 10 pencils cost?
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Mr. Lin wants to buy the same type of pencils. If he buys 10 pencils, he will have $3 left. If he buys 12 pencils, he will be short of $7.10. How much do 10 pencils cost?