Mathematics, 04.02.2020 14:46 shelovejaylocs

Apharmacist has a 10% alcohol solution and a 25% alcohol solution. how many milliliters of each solution will she need to mix together in order to have 200 ml of a 20% alcohol solution?

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Apharmacist has a 10% alcohol solution and a 25% alcohol solution. how many milliliters of each solu...

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