calissamcnealy5 calissamcnealy5 12-01-2022 Mathematics contestada Marissa used 3 1/3 qcups of oats to make oatmeal and 2 1/3 cups of oats to make snack bars. How many cups of oats did Marissa use in all? a. Add the whole numbers. b. Add the fractions. c. Add both sums. Marissa used cups of oats.