. A book-seller allows a discount of 10%on the advertised price of a book. A bookcosts Rs 600 and he

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... wants to make aprofit of 20%. He must mark the price ofthe book as:(a) Rs 700(b) Rs 800(c) Rs 660(d) Rs 720

Added 3+ months ago:

Please state the whole procedure along with the answer.

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Answers (1)

Jackofall

D. Rs 720.

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anon_96

That's fine,but how? I need to know the whole process of solving it.