A trader bought a car at 30% 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.
A) 7%	B) 62%	C) 12%	D) 19%	E) 5%
Original price = 100   CP = 70   S = 70*(150/100)= 
<gadget id="calculator">70*(150/100)</gadget>
<output>105</output>
105   100 - 105= 5%   Answer: 5%
<result>E</result>
A trader bought a car at 30% 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?