Mathematics, 28.01.2021 18:00 newyorkvincetti

A nurse mixes 60 cc of a 70% saline solution with a 20% saline solution to produce a 25% saline solution. How much of the 20% solution should he use

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A nurse mixes 60 cc of a 70% saline solution with a 20% saline solution to produce a 25% saline solu...

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