johnitawashington johnitawashington 30-05-2017 Mathematics contestada What's the sum of 6 feet 10 inches and 8 feet 9 inches? A. 13 ft. 19 in. B. 15 ft. 7 in. C. 15 ft. 19 in. D. 14 ft. 7 in. Mark for review (Will be highlighted on the review page)