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
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10 gallons of 10% solution are needed
check:
OK