One fourth of a solution that was 13% salt by weight was replaced by a second solution resulting in a solution that was 16 percent sugar by weight. The second solution was what percent salt by weight?  Choose the correct choice from the following choices:
A) 25 %  B) 34 %  C) 22 %  D) 18 %  E) 8.5 %

Rationale: "consider total solution to be 100 liters and in this case you ' ll have : 75 * 0.13 + 25 * x = 100 * 0.16 - - > x = 0.25 . answer : a ."
Answer: A