Question 335856
let 10 % be x 
50 % will be 160-x
Mixture 40% 160 liters
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Concentration equation
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0.1x+0.5(160-x)= 160*.4
0.1x +80-0.5x = 64 
-0.4x = -80+64
-0.4x = -16
divide by -0.4
x= -16/-0.4
x=40 liters 10% solution