Soup a has more sodium because soup a is 4 ounces x 3 = 12 and soup b is 6 ounces x 2 = 12, 600 milligrams x 3 = 1800 milligrams and 720 milligrams x 2 = 1440 milligrams therefore soup a has more sodium. I didn't explain this in full detail but hope u still understand it.