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Answer the following chemistry problem. Report the volume to the nearest dram of nitric acid.

How many drams of 25% nitric acid must be mixed with how many drams of 55% nitric acid to make 760 drams of a 39% nitric acid solution?

The number of drams of 25% nitric acid needed is drams.

The number of drams of 55% nitric acid needed is drams.