Question
Mr Goh bought 5 boxes of pens at the price of $9 per box. He gave 38 pens to his pupils and sold the rest of the pens at 50 cents each. If he made a profit of $46, find the number of pens in each box.
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Mr Goh bought 5 boxes of pens at the price of $9 per box. He gave 38 pens to his pupils and sold the rest of the pens at 50 cents each. If he made a profit of $46, find the number of pens in each box.