if the price of a book is first decreased by 20% and then increased by 10%, then the net change in the price will be :
Choose the correct choice from the following options:  A) 10  B) 12  C) 37  D) 29  E) 22
Explanation:   Let the original price be Rs. 100.   Decreased by 20% = 80   Then increased 10% on Rs 80 = 80 + 8= 
<gadget id="calculator">80 + 8</gadget>
<output>88</output>
88   Net change in price= 100 - 88= 
<gadget id="calculator">100 - 88</gadget>
<output>12</output>
12   Answer : 12
<result>B</result>
if the price of a book is first decreased by 20% and then increased by 10%, then the net change in the price will be :