1 and a half. There are one and a half minutes in one and a half minutes.
there are 90 secs in 1 and 1/2 minutes
In 1 hour and a half, there are 90 minutes. This is because 1 hour has 60 minutes, and half an hour adds another 30 minutes. So, when you add 60 minutes and 30 minutes together, you get 90 minutes.
There are 60 minutes in 1 hour so there are 60 x 5.5 minutes in five and a half hours, which is 330 minutes.
90
There are 150 minutes in 2+1/2 hours; there are 60 minutes per hour.
90 minutes
there are 90 secs in 1 and 1/2 minutes
30.
1 hour = 60 minutes, 1/2 hour = 30 minutes! Therefore 1 and a half hour would equal 90 minutes! Can't you add?
60 minutes in an hour; 30 minutes in a half hour. 5 and 1/2 = 330 minutes
90 minutes
There are 60 minutes in 1 hour so there are 60 x 5.5 minutes in five and a half hours, which is 330 minutes.
90
Half an hour is 1800 seconds. 3 half hours are 5,400 seconds.
There are 150 minutes in 2+1/2 hours; there are 60 minutes per hour.
60 seconds an 1 minute 60 minutes in 1 hour 30 minutes in half an hour 90 minutes in one and a half hours. So 90 minutes * 60 seconds = 5400 seconds
90 Minutes, since 1 half hour is 30 minutes then 3 half hours is just a matter of multiplying 3 times 30.