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

How many gallons of 5% hydrochloric acid must be mixed with how many gallons of 70% hydrochloric acid to make 710 gallons of a 52% hydrochloric acid solution?

The number of gallons of 5% hydrochloric acid needed is gallons.

The number of gallons of 70% hydrochloric acid needed is gallons.