A trader bought a car at 20% discount on its original price. He sold it at a 50% increase on the price he bought it. What percent of profit did he make on the original price? Choose the correct choice from the following answers
A) 17%
B) 72%
C) 20%
D) 82%
E) 16%
Original price = 100   20%P = 80   S = 80*(150/100)= 
<gadget id="calculator">80*(150/100)</gadget>
<output>120</output>
120   100 - 120= 20%   Answer:20%
<result>C</result>
A trader bought a car at 20% discount on its original price. He sold it at a 50% increase on the price he bought it. What percent of profit did he make on the original price?