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

How many gallons of 60% sulfuric acid must be mixed with how many gallons of 45% sulfuric acid to make 510 gallons of a 56% sulfuric acid solution?

The number of gallons of 60% sulfuric acid needed is gallons.

The number of gallons of 45% sulfuric acid needed is gallons.