Question
Owen has some money to buy some pens. He will have $3 if he buys 9 pens. However, he will need $3 more if he wants to buy 12 pens. How much money does each pen cost?
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Owen has some money to buy some pens. He will have $3 if he buys 9 pens. However, he will need $3 more if he wants to buy 12 pens. How much money does each pen cost?