Mathematics, 18.03.2021 02:30 bks53

Mr. Daly, a chemistry teacher needs 10 liters of a 20% saline solution for his afternoon class. Unfortunately, the only mixture he has is a 5% saline and a25% saline solution. How much of each solution should he mix to produce the 20% solution?

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Mr. Daly, a chemistry teacher needs 10 liters of a 20% saline solution for his afternoon class. Unfo...