One third of an hour.
20 minutes
45 minutes
20 minutes is one third of an hour
20 minutes
1640 minuetes
20 minutes
It is 1/3 (one third) of an hour.
there is one hour in a half of a third of a quarter of a day
2.3 miles per hour.
One hour. You leave the doctor's office at 10:00 and take a pill. In half an hour you take another pill, at 10:30. A half an hour later, at 11:00, you take your third and last pill, one hour after you left the doctor's office.
It is 7/20 of an hour, just over a third. (21/60 = 7/20)