reduce 16 ounces of a 18% saline solution to a 10% solution, how much distilled water
To reduce 16 ounces of a 18% saline solution to a 10% solution, [ how much distilled water (to the nearest tenth oz.) should a nurse add?
Let x = ounces of distilled water to add
.18(16) = .10(16+x)
2.88 = 1.6+.10x
1.28 = .10x
12.8 = x
The nurse should add 12.8 oz. of distilled water. ]
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