Dr. Oma Haha is a primary care physician with a backlog of 180 appointments. She wants to work 2 extra hours each day and see 5 patients during that time.

Part A: How many days will it take her to eliminate the backlog?

40 days

90 days

10 days

36 days

Part B: If Dr. Oma wants to reduce her backlog to 30 days, determine the number of extra hours she needs to work each day based on the time she spends with a patient.

3 hours and 36 minutes

2 hours

2 hours and 24 minutes

1 hour and 45 minutes