A nurse has 4 liter of a solution that is 20% alcohol. How much pure alcohol must she add to bring the solution up to a

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answerhappygod
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A nurse has 4 liter of a solution that is 20% alcohol. How much pure alcohol must she add to bring the solution up to a

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A nurse has 4 liter of a solution that is 20% alcohol.How much pure alcohol must she add to bring the solution up to a25% concentration?
(Enter answer as a fraction. For example 1/5 forone-fifth).
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