The cost price of 13 articles is equal to the selling price of 11 articles. Find the profit percent?
Choose the correct choice from the following answers.
A) 15 5/15% B) 18 2/11% C) 16 2/3% D) 30% E) 40%
Explanation:   13 CP = 11 SP   11 --- 2 CP   100 --- ? =&gt;18 2/11%   Answer IS 18 2/11%
<result>B</result>
The cost price of 13 articles is equal to the selling price of 11 articles. Find the profit percent?