SOLUTION: a book seller sold a book for Rs.70 at a gain of 40%.Find the profit?

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Question 721257: a book seller sold a book for Rs.70 at a gain of 40%.Find the profit?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
70/1.40=50 cost
profit equals 70-50=20