two and a half seconds
2 and a half hours is 90 seconds.
There are 5,400 seconds in an hour and a half.
2.5 × 60 = 150 seconds
2 + 2.5 = 4.5 minutes = 270 seconds
3600 seconds/hr = 12600 seconds/(3 1/2 hrs)
2 and a half hours is 90 seconds.
150 seconds
150 seconds
There are 5,400 seconds in an hour and a half.
2.5 × 60 = 150 seconds
2 + 2.5 = 4.5 minutes = 270 seconds
91/2 hours is 34,200 seconds.
30 seconds in 1/2 minute.
3600 seconds/hr = 12600 seconds/(3 1/2 hrs)
There are no minutes in half a minute. - In one minute there are 60 seconds. - In half a minute there are 30 seconds. - In one hour there are 60 minutes. - In half an hour there are 30 minutes.
There are 5400 seconds in an hour and a half.
30 seconds in half a minute (there are 60 seconds in a minute)