Whitney’s pilot training requires her to log 40 hours of flight time. after two weeks, she logged 8.25 hours. after two more weeks, she logged an additional 11.65 hours. round whitney’s fight times to the nearest hour. about how many more hours does whitney need to fly to finish her pilot training? a. about 17 hours b. about 19 hours c. about 20 hours d. about 21 hours