Question

A and B can polish the floors of a building in 18 days . A alone can do 1/6 of this job in 4 days . In how many days can B alone polish the floors

Answer 1

Answer:

A and B can polish the floor of a building in 25 days. A alone can do 1/3 of this job in 15 days in how many days B can alone polish the floor of the building?

A. 56.25

B. 52.75

C. 50

D. 48