Waiting for your responses... Answer the following chemistry problem. Report the volume to the nearest gallon of carbonic acid. How many gallons of 60% carbonic acid must be mixed with how many gallons of 80% carbonic acid to make 640 gallons of a 76% carbonic acid solution? The number of gallons of 60% carbonic acid needed is gallons. The number of gallons of 80% carbonic acid needed is gallons.

How many gallons of 60% carbonic acid must be mixed with how many gallons of 80% carbonic acid to make 640 gallons of a 76% carbonic acid solution?