Question
Mr. Lu wants to buy the same type of staplers. If he buys 9 staplers, he will have $4 left. If he buys 11 staplers, he will be short of $8.30. How much do 9 staplers cost?
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Mr. Lu wants to buy the same type of staplers. If he buys 9 staplers, he will have $4 left. If he buys 11 staplers, he will be short of $8.30. How much do 9 staplers cost?