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
30 seconds in 1/2 minute.
Half an hour is 1800 seconds. 3 half hours are 5,400 seconds.
100 seconds - 1 and a half minutes = 99
there are 90 secs in 1 and 1/2 minutes
Half an hour is 1800 seconds. 3 half hours are 5,400 seconds.
1 and half hours and 90 minutes
Half an hour is 1800 seconds. 3 half hours are 5,400 seconds.
There are 270 seconds in 4 1/2 minutes. A minute is 60 seconds, so 4.5 x 60 = 270 seconds.
There are 60 seconds in one minute. Therefore, 90 minutes is equal to 90 x 60 = 5400 seconds.
There are 60 minutes in an hour and since "half an hour" is half of an hour, it will contain 30 minutes. Simply divide 60 by 2 to get the answer.
One minute has 60 seconds. Do the math.