A. 1:3
B. 4:3
C. 2:3
D. 2:1
A work can be finished in 16 days by twenty women. The same work can be finished in fifteen days by sixteen men. The ratio between the capacity of a man and a woman is_________?
A. 1:3
B. 4:3
C. 2:3
D. 2:1
A. 1:3
B. 4:3
C. 2:3
D. 2:1