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Answer the following chemistry problem. Report the volume to the nearest quart of carbonic acid.

How many quarts of 35% carbonic acid must be mixed with how many quarts of 55% carbonic acid to make 510 quarts of a 39% carbonic acid solution?

The number of quarts of 35% carbonic acid needed is quarts.

The number of quarts of 55% carbonic acid needed is quarts.