Question 765280
We would not know because the concentration of each of the three liquids is not given.  


6% of 125 ml is 7.5 ml.
4% of 225 ml. is 9 ml.
9% of 259 ml. is 23.31 ml.  


This only means that when you mix all three, you have {{{7.5+9+23.31=highlight(39.81)}}} ml. of mixtures combined.