SOLUTION: 160 litre mixture of milk and water ,%of water is only 30%.the milkman gave 40 litres of this mixture to a customer and then added some litres of water to remaining mixture.as a

Question 1039170: 160 litre mixture of milk and water ,%of water is only 30%.the milkman gave 40 litres of this mixture to a customer and then added some litres of water to remaining mixture.as a result the percentage of water in the final mixture became 44%.what was the quantity of water added by the milkman ?(in litres)
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
.30(40)+1.00(n)=.44(40+n)
12+n=17.6+.44n
.56n=5.6
n=5.6/.56
n=10 litres of pure water added by the milkman!!!!!!!!!!!!!
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