SOLUTION: How many gallons of a 10% salt solution must be added to a 15 gallons of a 20% salt solution to obtain a 16% solution?
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Question 957722: How many gallons of a 10% salt solution must be added to a 15 gallons of a 20% salt solution to obtain a 16% solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = gallons of 10% solution needed
= gallons of salt in 10% solution
gallons of salt in 20% solution
---------------------
10 gallons of 10% solution are needed
check:
OK
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