Question 404584: How many gallons of a 3% salt solution must be mixed with 10 gallons of a 8% solution to obtain a 4% solution Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = gallons of 3% solution needed
In words:
(gallons of salt in final solution)/(total final solution) = 4%
given: = gallons of salt in 3% solution = gallons of salt in 8% solution
------------------------------------- gallons
40 gallons of a 3% solution must be added
check answer:
OK