SOLUTION: Can you please help me on this: How many liters of water are needed to dilute 20 liters of a 5% salt solution to a 1% solution?

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Question 585731: Can you please help me on this:
How many liters of water are needed to dilute 20 liters of a 5% salt solution to a 1% solution?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
(.05*20)=.01(20+x)
x=80
from water point of view
(.95*20)+x=.99(20+x)
x=80