SOLUTION: How much water needs to be removed from 30 liters of a 20% salt solution to change it to a 50% salt solution?
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Question 715199: How much water needs to be removed from 30 liters of a 20% salt solution to change it to a 50% salt solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = liters of water to be removed
liters of salt in 20% solution
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18 liters of water should be removed
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