Rachel weighed her two cats, Tiger and Mittens. Tiger weighed 10. 91 pounds, and Mittens weighed 178. 08 ounces. Which cat is heavier, and how many pounds heavier is she? a. Tiger is 1. 02 pounds heavier than Mittens. B. Tiger is 3. 49 pounds heavier than Mittens. C. Mittens is 0. 22 pounds heavier than Tiger. D. Mittens is 3. 93 pounds heavier than Tiger.