By selling 150 apples, a fruit-seller gains the selling price of 30 apples. Find the gain percent?  Choose one:
A) 30%  B) 58%  C) 25%  D) 60%  E) 12%
Option 25%   Explanation:   SP = 25%P + g   150 SP = 150 25%P + 30 SP   120 SP = 150 25%P   120 --- 30 25%P   100 --- ? =&gt; 25%
<result>C</result>
By selling 150 apples, a fruit-seller gains the selling price of 30 apples. Find the gain percent?