Question

A can dig 1/12 of a trench in one day while B can dig in 1/6 of the trench in 3 day.if they work together how long will it take to dig the whole trench​

Answer 1

Answer:

4 days

Step-by-step explanation:

A - 1/12

A - 1/12 B - 1/6

Total work done by A and B = 1/12 + 1/6 = 3/12 = 1/4

If they can do 1/4 work in a day

They can complete the trench in 4 days