A bookseller sells his books at a 20% markup in price. If he sells a book for $24.00, how much did he pay for it? Select.
A) $14.40  B) $14.00  C) $10.00  D) $9.60  E) $20.00
Let the cost price of book = x   Selling price of book = 24$   Markup % = 20   (120/100)x = 24   =&gt; x = 20   Answer $20.00
<result>E</result>
A bookseller sells his books at a 20% markup in price. If he sells a book for $24.00, how much did he pay for it?