A and B can do a work in 5 days and 10 days respectively. A starts the work and B joins him after 2 days. In how many days can they complete the remaining work? Select one: a. 3 days b. 1 day c. 2 days d. 4 days
Answers
Answered by
0
Answer:
total work 10unit
A's effeciency 2unit
B's effeciency 1unit
A does 4unit of work in 2 days
remaing work 6unit.
6/3 = 2 days
Answered by
0
Answer:
the answer is 3. I think it's helpful to u.
please mark as brainlist
Similar questions