30 minutes = half an hour, because 60 minutes are one hour.
There are 30 minutes in half an hour and 15 minutes in a quarter of an hour
2.5 minutes
There are thirty minutes in one half hour.
One-hundred-and-fifty minutes is equivalent to two-and-a-half hours.
30 minutes = half an hour, because 60 minutes are one hour.
There are 30 minutes in half an hour and 15 minutes in a quarter of an hour
90 minutes
One and one half of an hour equal 90 minutes.
90 minutes
2.5 minutes
There are thirty minutes in one half hour.
60 minutes equals an hour and half an hour is 30 minutes so 60 min+30 min =90 minutes.
One-hundred-and-fifty minutes is equivalent to two-and-a-half hours.
one hour is sixty mins half an hour is 30 so: 2x60+30=150 minutes
One and a half hour is 90 minutes.
There are 60 minutes to one hour, so 6x60=360. Half an hour is 30 minutes, so 360+30=390