SOLUTION: A 10% salt solution is to be mixed with pure water to produce 75 gallons of a 3% salt solution. How much of each are needed?

Question 857786: A 10% salt solution is to be mixed with pure water to produce 75 gallons of a 3% salt solution. How much of each are needed?

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = gallons of pure water to be added
= gallons of 10% salt solution
= gallons of salt in 10% solution
----------------

52.5 gallons of pure water need to be added
22.5 gallons of 10% salt solution need to be added
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check:

OK
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