The markup on a shirt is 50 percent of the cost. The markup is what percent of the selling price?
(markup = selling price - cost)	Choose the correct answer.
A) 18% B) 20% C) 33 1/3% D) 45% E) 56 2/3%
MP = 0.5 CP   SP = CP + 0.5 CP = 1.5 CP   hence MP = 0.5/1.5 SP = 1/3 SP. Hence MP is 33.33 % of SP   Answer 33 1/3%
<result>C</result>
The markup on a shirt is 50 percent of the cost. The markup is what percent of the selling price?
(markup = selling price - cost)