Question
Mr. Heng wants to buy the same type of pens. If he buys 8 pens, he will have $4 left. If he buys 10 pens, he will be short of $5.10. How much do 8 pens cost?
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Mr. Heng wants to buy the same type of pens. If he buys 8 pens, he will have $4 left. If he buys 10 pens, he will be short of $5.10. How much do 8 pens cost?