Question 354034
let 2% solution added be x liters
4% will be 1-x liters
..
mix = 3.6% 1 liter
...
0.02x +0.04(1-x)= 1*0.036
0.02x+0.040-0.04x=0.036
-0.02x=-0.004
x =0.2 liters of 2% solution
balance -4% will be 0.8 liters
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m.ananth@hotmail.ca