SOLUTION: How many Liters of a 12% salt solution must be mixed with 11 Liters of a 42% salt solution to obtain a 17% salt solution?
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Question 892603: How many Liters of a 12% salt solution must be mixed with 11 Liters of a 42% salt solution to obtain a 17% salt solution?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
How many Liters of a 12% salt solution must be mixed with 11 Liters of a 42% salt solution to obtain a 17% salt solution?
.
Let x= amount (liters) of 12% solution added
then
.12x + .42(11) = .17(x+11)
.12x + 4.62 = .17x+1.87
4.62 = .05x+1.87
2.75 = .05x
55 liters = x
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