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Mathematics, 17.07.2019 10:50 pizzaqueen5242
3) how many liters of a 20% acid solution must be mixed with a 60% solution to obtain 40 liters of a 35% solution? (25,15)thats the answer i need the steps
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3) how many liters of a 20% acid solution must be mixed with a 60% solution to obtain 40 liters of a...
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