SOLUTION: 4 gal. of a saline solution was mixed with 6 gal. of pure water to make a 22% saline solution. Find the perfect concentration of the first solution

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Question 908496: 4 gal. of a saline solution was mixed with 6 gal. of pure water to make a 22% saline solution. Find the perfect concentration of the first solution
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
6*0+4x=.22*10
4x=2.2
2x=1.1
x=.55 =55%
check
4*.55+6*0=.22*(10)
2.2=2.2
ok