If the price of a book is first decreased by 25% and then increased by 20%, then the decrease in the price will be? Choose the correct choice from the following options:
A) 20%
B) 10%
C) 25%
D) 18%
E) 30%
Let the original price be $100   New final price = 120% of (75% of $100)   = 120/100 * 75/100 *100= 
<gadget id="calculator">120/100 * 75/100 *100</gadget>
<output>90</output>
$90   Decrease is 10%   Answer is 10%
<result>B</result>
If the price of a book is first decreased by 25% and then increased by 20%, then the decrease in the price will be?