Question

Bob can do a job in 5 hours while Bill can do the same job in 8. How many hours would it take them, working together, to do this job? Thanks!!!

Answer 1

40/13

Explanation:

I also do RSM

Answer 2

It is 40/13 sorry if it's wrong

Explanation:

I do rsm solved that question and put it into the system and it said correct so I do not know what is wrong with whatever you guys have.