Which describes the simpler problems that could be used to solve this problem? paula baked 12 trays of muffins. each tray held 6 muffins. her friend baked 4 trays of 6 muffins. how many more muffins did paula bake than her friend? a. calculate how many muffins each person baked. add the two amounts. b. calculate how many muffins were on each tray. multiply that by the number of trays each person baked. c. calculate how many muffins each person baked. subtract the smaller amount from the larger amount.