7200 seconds
There are 5,400 seconds in an hour and a half.
7200 seconds is equal to 2 hours because there are 3600 seconds in an hour (60 seconds x 60 minutes). So, 7200 seconds / 3600 seconds per hour = 2 hours.
3600 seconds equal an hour
There are 3,600 seconds in an hour.
150 seconds is equal to 2 1/2 minutes, which is equal to 1/24 hour.
3600 seconds in one hour.
48 (hours) x 3600 (seconds in 1 hour) = 172,800 seconds
3,600 seconds
60 minutes in an hour and 3,600 seconds
3,600 seconds in one hour.
1/3 of an hour is 1,200 seconds.
30 minutes × 60 seconds = 1800 seconds in half an hour.