Mathematics, 17.09.2019 22:30, andrew5182

Gave needs 60 liters of 40% acid solution he currently has 20% solution and 50% solution how many liters of each does he need to make the needed 60 liters of 40% acid solution

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Gave needs 60 liters of 40% acid solution he currently has 20% solution and 50% solution how many li...