SOLUTION: How many gallons of a 2% salt solution must be mixed with 15 gallons of a 18% solution to obtain a 10% solution?
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Question 575449: How many gallons of a 2% salt solution must be mixed with 15 gallons of a 18% solution to obtain a 10% solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = gallons of 2% solution needed
gallons of salt in 18% solution
= gallons of salt in 2% solution
------------
15 gallons of 2% solution are needed
check:
OK
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