Xavier loves to sing and hum, and he always has music softly playing while he studies. The learning style that best fits Xavier is . a. rhythmic/musical b. interpersonal c. intrapersonal d. bodily/kinesthetic

Case # 51173878 weighs 814 pounds; case # 51173981 weighs 803 pounds; case # 51174058 weighs 817 pounds; case 51174178 weighs 815 pounds; case # 51174248 weighs 817 pounds; case # 51174495 weighs 781 pounds; case # 51174577 weighs 828 pounds. what are the case #'s of the two cases that weigh the same amount?