A book shop offers
10% discount on all
the
books
purchased from it. It
also gives one extra
book on the
purchase of five
books. If a man
avails this offer, what
will be his
percentage savings?
Answers
Given : A book shop offers 10% discount on all the books purchased from it. It also gives one extra book on the purchase of five books.
To Find : percentage savings If a man avails the offer of free book
Solution:
Let say Sale price of one Book = B
Then Sales price of 6 books = 6B
one extra book on the purchase of five books
Hence Price for 5 books has to be paid when bought 6 books
there is 10 % Discount on Each book
Hence Price of 1 Book = B-(10/100)B = 0.9B
Price of 5 Book = 5 * 0.9B = 4.5B
Saving = 6B - 4.5B = 1.5B
Saving % = (1.5B/6B) * 100 = 25 %
his percentage savings = 25 %
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