A doctor sees each of her patients for 15 minutes. How many patients can she see in 4-1/2 hours?

Answer 1

There are 60 minutes in 1 hour, so 4-1/2 hours is 4.5*60 = <<4.5*60=270>>270 minutes.
Therefore, she can see 270/15 = <<270/15=18>>18 patients. Answer: \boxed{18}.