Question

One person can do a certain job in 20 minutes and another person can do the same job in twenty eight minutes. how many minutes will it take them to do it together

Answer 1

I'm terrible at math, so I'm sorry if I'm totally wrong, but I'm assuming you just take the average:

20+28=48m
48/2=24m

On average, it may take them 24m if they work together.

Answer 2

Answer: 12 minutes

Step-by-step explanation: