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At a certain bookstore, the regular price of each book is 20

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Manager
Joined: 10 Oct 2008
Posts: 56
At a certain bookstore, the regular price of each book is 20 [#permalink]

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05 Nov 2008, 20:16
At a certain bookstore, the regular price of each book is 20 percent less than its list price. If during a sale the price of each book at the store was 15 percent less than its regular price, then the price of a book during the sale was what percent less than its list price?

A. 30%
B. 32%
C. 35%
D. 38%
E. 40%

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Manager
Joined: 30 Sep 2008
Posts: 111

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05 Nov 2008, 23:24
the regular price of each book is 20 percent less than its list price:
RP = 80%LP

the price of each book at the store was 15 percent less than its regular price
SP = 85%RP = 85%x80%LP = 68%LP

=> the price of a book during the sale less than its list price was

100% - 68% = 32%

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Re: price(30)   [#permalink] 05 Nov 2008, 23:24
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At a certain bookstore, the regular price of each book is 20

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