Monika purchased a pressure cooker at 9/10th of its selling price and sold it at 8% more than its Selling Price. Find her gain percent.  Pick one:
A) 10	B) 20	C) 25	D) 15	E) 18
Let the Selling Price be $X. then Cost Price = $9x/10, Receipt=108% of $x= $27x/25 Gain=$(27x/25*9x/10)=$(108x-90x/100)=$18x/100   Gain%=(18x/100*10/9x*100)%=20%   Answer 20) 20.(18 /100*10/9 *100)= 
<gadget id="calculator">(18 /100*10/9 *100)</gadget>
<output>20</output>
20%   Answer 20) 20.
<result>B</result>
Monika purchased a pressure cooker at 9/10th of its selling price and sold it at 8% more than its Selling Price. Find her gain percent.