Question

A and B can separately complete a piece of work in 20 days and 30 days respectively. That work together for sometimes then B left the work. If A completed the rest of the work in 10 dats then how many days B work​

Answer 1

Answer:

6 days

Step-by-step explanation:

A's 10 days work = 10×3 units/ days = 30 units

So,(60−30)=30 units of work would have been done by A

and B both and it took time:

30(3+2)=6days

So, B worked for 6 days