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Mathematics, 16.10.2020 19:01 lizdeleon248
A scientist needs 10 liters of a 20% acid solution for an experiment, but she only has a 5% solution and a 40% solution. To the nearest tenth of a liter, about how many liters of the 5% and 40% solutions should she mix to get the solution she needs?
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A scientist needs 10 liters of a 20% acid solution for an experiment, but she only has a 5% solution...
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