Final answer:
The maintenance worker spent 12 hours and 27 minutes painting the offices.
Step-by-step explanation:
To convert minutes to hours and minutes, we divide the given minutes by 60. In this case, dividing 747 by 60 gives us 12 hours with a remainder of 27 minutes. Therefore, the maintenance worker spent 12 hours and 27 minutes painting the offices.
Learn more about converting minutes to hours and minutes