Attila the Hun was a ruler of the Hunnic Empire. The Roman feared him greatly until his death since he made quite a habit of inv
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You would need 105 of sodium I found how much increase there was from 30 to 75 by doing 75/30 which is 2.5 that means the new amount of sodium would be 2.5 times 42 which is 105. You could also set up ratios and cross multiply like the picture I sent
