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Mathematics, 02.09.2021 05:40 fseftrwer6750

A nurse mixes 40 cc of a 70% saline solution with a 10% saline solution to produce a 20% saline solution. How much of the 10% solution should he use?
The amount of 10% saline solution needed is?

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A nurse mixes 40 cc of a 70% saline solution with a 10% saline solution to produce a 20% saline solu...

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