Question:
One worker can do a job in n hours, while it takes a second worker m hours to do the same job. How long does it take both workers?
1/m + 1/n | |
m + n | |
(m + n)/mn | |
mn/(m + n) | |
mn/(m + n) |
Answer:
mn/(m + n)
Last Updated:
08/11/2021 - 03:24