SOLUTION: to reduce 16oz of a 25% solution of antiseptic to a 10% solution, how much distilled water should a nurse add?

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Question 716211: to reduce 16oz of a 25% solution of antiseptic to a 10% solution, how much distilled water should a nurse add?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
to reduce 16oz of a 25% solution of antiseptic to a 10% solution, how much distilled water should a nurse add?
:
Let w = amt of water to be added
:
.25(16) = .10(w+16)
4 = .1w + 1.6
4 - 1.6 = .1w
2.4 = .1w
w = 2.4/.1
w = 24 oz of water required to be added