A trader bought a car at 20% discount on its original price. He sold it at a 45% increase on the price he bought it. What percent of profit did he make on the original price?	Choose the correct answer
A) 17% B) 72% C) 12% D) 82% E) 16%
Original price = 100   CP = 80   S = 80*(145/100)= 
<gadget id="calculator">80*(145/100)</gadget>
<output>116</output>
116   100 - 116= 16%   Answer:16%
<result>E</result>
A trader bought a car at 20% discount on its original price. He sold it at a 45% increase on the price he bought it. What percent of profit did he make on the original price?