One fourth of a solution that was 15% 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? Select:
A) 24%
B) 34%
C) 22%
D) 19%
E) 8.5%
consider total solution to be 100 liters and in this case you'll have: 75*0.15+25*x=100*0.16 --&gt; x=0.19.   Answer: 19%.
<result>D</result>
One fourth of a solution that was 15% 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?