Mathematics, 24.09.2019 04:30 AvreeanaS1379
Ascientist needs 65 liters of a 15% alcohol solution. she has available a 25% solution and a 12% solution. how many liters of the 25% solution and how many liters of the 12% solution should she mix to make the 15% solution?
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Ascientist needs 65 liters of a 15% alcohol solution. she has available a 25% solution and a 12% sol...
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