Answer:
Explanation:
Sebastian studies from 3 : 15 to 4 : 45.
the time of Sebastian's studies
4 : 45
- 3 : 15
1 : 30 hours
Sasha studies from 4:30 to 6:15.
The time of Sasha's studies
6 : 15
- 4 : 30
1 : 45 hours
Sebastian studied 1 hour 30 minutes and Sasha studied 1 hour 45 minutes.
Difference in time of study = 1 : 45
- 1 : 30
0 : 15 hours
Sasha studied longer than Sebastian by 15 minutes.