Question

A shopkeeper makes a profit of 15% by selling a book for $230. What is the cost price and the actual profit?

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Answer 1

Cost price = 200

Profit = 230-200 = 30

Explanation:

x + 15/100x = 230

x + 3/20x = 230

20x + 3x = 4600

23x = 4600

x = 200