Question
Mr. Choy wants to buy the same type of pens. If he buys 4 pens, he will have $5 left. If he buys 8 pens, he will be short of $5.20. How much do 4 pens cost?
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Mr. Choy wants to buy the same type of pens. If he buys 4 pens, he will have $5 left. If he buys 8 pens, he will be short of $5.20. How much do 4 pens cost?