Question
Mr Ong bought 30 boxes of notebooks at the price of $10 per box. He gave 60 notebooks to his students and sold the rest of the notebooks at 90 cents each. If he made a profit of $24, find the number of notebooks in each box.
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Mr Ong bought 30 boxes of notebooks at the price of $10 per box. He gave 60 notebooks to his students and sold the rest of the notebooks at 90 cents each. If he made a profit of $24, find the number of notebooks in each box.