Mathematics, 27.02.2020 04:32 brackendillman

To arrive at 2000 liters of 60% saline solution the attendant has to mix a 90% and a 40% saline solution. How many liters of each should be used?

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To arrive at 2000 liters of 60% saline solution the attendant has to mix a 90% and a 40% saline solu...

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