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 most appropriate option
A) A)10%  B) B)12%  C) C)14%  D) D)20%  E) E)22%
Original price = 100   CP = 80   S = 80*(150/100)= 
<gadget id="calculator">80*(150/100)</gadget>
<output>120</output>
120   100 - 120= 20%   20%)
<result>D</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?