4 hours 32 minutes
Explanation:
10:15 - 12: 32 = 2 hours and 17 minutes.
Explanation:
10:15 - 11:15 = 1 hour.
11:15- - 12:15 = 1 more hour.
12:15 -12:32 = 17 minutes.
2 hours and 17 minutes there.
6:30-4:45=1 hour 45 minutes
total time spent on painting is 4 hours and 2 minutes.