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

How many gallons of 85% ethanoic acid must be mixed with how many gallons of 50% ethanoic acid to make 510 gallons of a 68% ethanoic acid solution?

The number of gallons of 85% ethanoic acid needed is gallons.

The number of gallons of 50% ethanoic acid needed is gallons.