25greaserkavin 25greaserkavin

23-01-2019
Mathematics

contestada

How many liters of pure water should be mixed with 18 liters of a12% saline solution to make a saline solution that is 3% salt?

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gilbertmariah177 gilbertmariah177

23-01-2019

Answer: .42857 liters of pure water

Step-by-step explanation:2.4 = .7w + 2.1

2.4 - 2.1 = .7w

.3 = .7w

w = .3%2F.7

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