Posted by Moby on .
3h 40min
10 h 15 min Renaming 11:00 as 10 hours 15 minutes
7h 35 min Subtract the beginning time

3h 40 min Subtract
So I actually subtract all of it and not add the minutes right?
So my answer should be 3h 20min right?
How can I check if this is right?

Elapse time help ? 
Moby,
Anyone?