Two painters, Elijah and Mason, are painting a new house.If Elijah were to work alone, the job would take him 12 days to complete.If Mason were to work alone, the job would take him 3 days to complete.If the two men worked together, what fraction of the house will Mason complete?
A、 1/6
B、 1/5
C、 1/2
D、 4/5
E、 5/6
发布时间：2025-10-18 12:03:33
