Question

If A and B complete a work in 4 days while alone take 12 days. In how many days will B alone complete that work.​

Answer 1

Answer:

6 days

Step-by-step explanation:

A can complete work in 12 days alone

both A & B in 4 days

Creating an equation for 1 day work by A & B

A=1/12

B=1/x

A+B = Total work

1/12 + 1/x = 1/4

Solving for x

x = 1/6

hence 6 days

Answer 2

Answer:

Step-by-step explanation: