Question

A and B do work in 20 days,if A can do work in 30 days how much time will B take to complete work​

Answer 1

Answer:

Step-by-step explanation:

Using the formula

1/a+1/b=1/a+b

1/30+1/b=1/20

1/b=1/20-1/30

1/b=1/60

B=60

So b can complete his work in 60 days

Answer 2

Answer:60 days

Step-by-step explanation: