SOLUTION: How many gallons of a 5% salt solution must be mixed with 63 gallons of a 15% salt solution to make a 12% salt solution?
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Question 571231: How many gallons of a 5% salt solution must be mixed with 63 gallons of a 15% salt solution to make a 12% salt solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = gallons of 5% solution needed
= gallons of salt is 5% solution
= gallons of salt in 15% solution
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27 gallons of 5% solution are needed
check answer:
OK
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