the cost price of 25 books is equal to the selling price of 20 books. Find the profit %a person...

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  1. the cost price of 25 books is equal to the selling price of 20 books. Find the profit %
  2. a person bought 20 chairs for $12000 and sold them for a profit equal to the selling price of 4 chairs. Finf the selling price of each chair
    • 13 years ago
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