Mathematics, 02.09.2019 16:50 curlyloo01
Forty liters of a 60% disinfectant solution are to be mixed with a 10% solution to dilute it to a 20% solution. how much of the 10% solution must be used?
Answers: 1
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Forty liters of a 60% disinfectant solution are to be mixed with a 10% solution to dilute it to a 20...
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