Answer:
Sean practices 8 hours and 45 minutes.
Explanation:
1/2 x 5=2.5= 2 hours and 30 minutes
1 1/4=5/4 x 5= 6.25= 6 hours and 15 minutes
2 hours and 30 minutes + 6 hours and 15 minutes= 8 hours and 45 minutes.
Sean practices 8 hours and 45 minutes.