Question

2. A can do a piece of work in 15 hours while B can do it in 12 hours. How
long will both take to do it, work together​

Answer 1

Step-by-step explanation:

20/3 hours

Mark me as brainliest

Answer 2

A & B work in one hour is 1/15 & 1/12 respt.

Therefore, time req to complete whole work is 20/3 hours