Mathematics, 21.10.2021 09:40 Manuel2019

How many liters of a 50% acid solution must be mixed with a 30% acid solution to get 180 L of a 40% acid solution? liters of a 50% acid solution must be used.

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How many liters of a 50% acid solution must be mixed with a 30% acid solution to get 180 L of a 40%...

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