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Mathematics, 23.01.2020 11:31 Ash1212
How many liters of a 20% solution of acid should be added to 10 liters of a 30% solution of acid to obtain a 25% solution?
liters
10 urgent points
plz
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How many liters of a 20% solution of acid should be added to 10 liters of a 30% solution of acid to...
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