If selling price of 12 pens is equal to the cost price of 18 pens, find the profit percent. Choose the correct option.
A) 40%
B) 33.3%
C) 50%
D) 25%
E) None of these
Explanation:   Selling price of 12 pens = cost price of 18 pens   Therefore, the profit is 6 pens and cost price is 12 pens.   % profit = profit/cost price * 100   = 6/12 * 100= 
<gadget id="calculator">6/12 * 100</gadget>
<output>50</output>
50%   ANSWER 50%
<result>C</result>
If selling price of 12 pens is equal to the cost price of 18 pens, find the profit percent.