SOLUTION: Mixing solutions: How many liters of water must be added to 20 liter of 12% brine solution to dilute it to an 8% solution?

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Question 351986: Mixing solutions: How many liters of water must be added to 20 liter of 12% brine solution to dilute it to an 8% solution?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
x(0%) + 20(12%) = (20+x)(8%)