The first thing you should do to answer the question is to take each of the amounts to percentages: (1/4) * (100) = 25 (1/4) * (100) = 25 (5/12) * (100) = 41.67 (1/12) * (100) = 8.33 Adding all the amounts: 25 + 25 + 41.67 + 8.33 = 100% answer Yes, they ate the equivalent of a whole bread