Mathematics, 25.08.2021 20:30 armonilucky11
A scientist needs 10 liters of 20% acid solution for an experiment, but she has only a 5% solution and a 40% solution. To the nearest tenth of a liter, about how many liters of the 5% and the 40% solutions should she mix to get the solution she needs?
Answers: 3
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A scientist needs 10 liters of 20% acid solution for an experiment, but she has only a 5% solution a...
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