Susan threw a softball 42 yards on her first try and 51 1/2 yards on her second try.
How much farther did she throw the softball on her second try than her first?
Express your answer in feet and inches.
A. 9 ft 1/2 in.
B. 28 ft 1/2 in.
C. 28 ft 6 in.
D. 126 ft.