Question
Mr Yang bought 30 boxes of pencils at the price of $11 per box. He gave 28 pencils to his students and sold the rest of the pencils at 50 cents each. If he made a profit of $46, find the number of pencils in each box.
3 m

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Mr Yang bought 30 boxes of pencils at the price of $11 per box. He gave 28 pencils to his students and sold the rest of the pencils at 50 cents each. If he made a profit of $46, find the number of pencils in each box.