The cost price of 7 articles is equal to the selling price of 5 articles. What is the profit percent?	Choices:  A) 10%  B) 20%  C) 30%  D) 40%  E) 50%
5*SP = 7*CP   SP = 1.4*CP   The profit percent is 40%.   The answer is 40%.
<result>D</result>
The cost price of 7 articles is equal to the selling price of 5 articles. What is the profit percent?