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Answer the following chemistry problem. Report the volume to the nearest liter of ethanoic acid.

How many liters of 35% ethanoic acid must be mixed with how many liters of 20% ethanoic acid to make 520 liters of a 24% ethanoic acid solution?

The number of liters of 35% ethanoic acid needed is liters.

The number of liters of 20% ethanoic acid needed is liters.