Solve.
A 1/2
B 1
C 2
D 1.5
A 1/8
B 2/3
C 1/3
D 3/4
A 2
B 3
C 4
D 5
A 1
B 2
C 3
D 4
A 1/4
B 1/2
D 2
A 4
B 5
C 6
D 7