15 minutes.
A quarter of 450 minutes is 112.5 minutes.
There are three quarter-hours in 45 minutes.
There are 15 minutes in a quarter hour.
multiply by 4, equalling 80 quarter minutes
There are 60 minutes in an hour There are 4 quarter minutes in a minute So there are 4 * 60 quarter minutes in an hour which is 240.
45 minutes.
1 hour and 15 minutes, or one hour and a quarter.
A quarter of 450 minutes is 112.5 minutes.
There are three quarter-hours in 45 minutes.
15 minutes each quarter.
It is 900 seconds. It is one quarter of an hour.
There are 15 minutes in a quarter hour.
multiply by 4, equalling 80 quarter minutes
There are 60 minutes in an hour There are 4 quarter minutes in a minute So there are 4 * 60 quarter minutes in an hour which is 240.
There are 15 minutes in a quarter of an hour
One quarter of an hour is 15 minutes.
30 minutes