SOLUTION: A tub contains 300 l of a 32% salt solution. How much water must be added to reduce it to a 20% solution?
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Question 123564: A tub contains 300 l of a 32% salt solution. How much water must be added to reduce it to a 20% solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = amount of water to be added
In words:
salt / (original solution + added water) = 20%
l of salt
l of water need to be added
check:
OK
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