Question

How much time has elapsed between 3 hours 12 minutes 35 seconds and 7 hours 54 minutes 34 seconds?

Answer 1

`4h + 41min + 59s`

Explanation:

`7h + 54min + 34s`

`-3h -12min - 35s`

`= 4h + 42min -1s`

`+ 60s - 1min`