9514 1404 393
Answer:
24
Explanation:
If we reschedule the doctor's half-hour break so that s/he quits work at 3:00 pm, s/he will have worked 6 straight hours from 9 am to 3 pm. Seeing 4 patients each hour, the doctor will have seen ...
(6 h) × (4 pt/h) = 24 pt
The doctor saw 24 patients by 3:30 pm.