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Q.8 Amina buys a book for Rs.275 and sells it at a loss of 15%. How much does she sell it for?
Answer :

CP of book = Rs. 275
Loss = 15%
SP = \(\frac{CP×(100-L%)}{100} \)
= \(\frac{275×(100-15)}{100} \) = \(\frac{275×(85)}{100} \) = Rs.233.75