A trader bought a car at 20% discount on its original price. He sold it at a 55% increase on the price he bought it. What percent of profit did he make on the original price?  Choose the most appropriate option.
A) 17% B) 24% C) 12% D) 82% E) 16%
Original price = 100   CP = 80   S = 80*(155/100)= 
<gadget id="calculator">80*(155/100)</gadget>
<output>124</output>
124   100 - 124= 24%   Answer:24%
<result>B</result>
A trader bought a car at 20% discount on its original price. He sold it at a 55% increase on the price he bought it. What percent of profit did he make on the original price?