What is the sum of 6 feet 10 inches and 8 feet 9 inches?
A15 ft. 19 in.
B15 ft. 7 in.
C13 ft. 19 in.
D14 ft. 7 in.
A15 ft. 19 in.
B15 ft. 7 in.
C13 ft. 19 in.
D14 ft. 7 in.