there are 60 seconds in one minute; 3600 seconds in one hour
at 1 hr 15 minutes that is 3600 + 15x60 = 4500 seconds
15 minutes to the hour.
There are 15 minutes in a quarter hour.
15 minutes
One hour = 60 minutes. Quarter hour = 15 minutes.Quarter [hour] to the hour = 15 minutes to the hour. OR start with the hour, say 1:00 PM. in fifteen minutes it will be a quarter after the hour. At thirty minutes it will be half past the hour. In forty five minutes it will be a quarter ( fifteen minutes) TO the next hour or a quarter to 2:00 PM.
60 minutes = 1 hour so 135 minutes = 2 hours and 15 minutes.60 minutes = 1 hour so 135 minutes = 2 hours and 15 minutes.60 minutes = 1 hour so 135 minutes = 2 hours and 15 minutes.60 minutes = 1 hour so 135 minutes = 2 hours and 15 minutes.
There are 15 minutes in a quarter of an hour
15 minutes to the hour.
There are 15 minutes in a quarter hour.
One hour = 60 minutes Quarter hour = 15 minutes 60 + 15 = 75 Minutes
There are 30 minutes in half an hour and 15 minutes in a quarter of an hour
It is: 15 minutes past the hour
Each hour is 60 minutes. Therefore a quarter of an hour is 15 minutes.But, if it is a quarter to the hour, it is 15 minutes to the hour.For instance: 9.45 am is a quarter to 10 or 15 minutes to 10am. Or it could be 45 minutes past nine!
1 hour 15 minutes is 4,500 seconds.
If you mean of an hour then 0.25 of an hour is 15 minutes
1/4 of an hour is 15 minutes.
There are 15 minutes in a quarter hour.
an hour and 15 minutes or an hour and 1/4 minutes