A trader bought a car at 20% discount on its original price. He sold it at a 100% increase on the price he bought it. What percent of profit did he make on the original price? Choose the most appropriate option
A) 18% B) 13% C) 60% D) 40% E) 15%
Original price = 100   60%P = 80   S = 80*(200/100)= 
<gadget id="calculator">80*(200/100)</gadget>
<output>160</output>
160   100 - 160= 60%   Answer: 60%
<result>C</result>
A trader bought a car at 20% discount on its original price. He sold it at a 100% increase on the price he bought it. What percent of profit did he make on the original price?