Answer:
The time available for questions or other topics is 1 hour 25 minutes (85 minutes).
Explanation:
a) Data and Calculations:
The meeting is scheduled for 4 hours = 240 minutes (4 * 60)
Presentation by the department's head = 80 minutes (240/3)
Briefing by the process improvement team = 25 minutes
Presentation by another department = 30 minutes
Benefits update from Human Resources = 20 minutes
Total time taken by the above = 155 minutes
Time available for questions or other topics 85 minutes (240 - 155)