2/5
4,800 seconds in 1 hour 20 minutes.
180 seconds (1 hour/3600 seconds) = 0.05 hours ------------------or 1/20 of an hour -----------------------
40 what? Minutes? Seconds? Elephants?
1/9th
1 hour = 60 minutes = 60*60 seconds = 3600 seconds So 20 seconds, as a fraction of an hour = 20/3600 = 1/180
Assuming that what is meant is what fraction or percentage of an hour is 20 seconds, then there is 60 seconds in a minute and 60 minutes in an hour so therefore there is 60 x 60 seconds on an hour. 20 seconds divided by 360 seconds gives 1/18th or 0.05556 05 5.56% of an hour.
There are 60 seconds in a min. and 60 mins. in an hour = 3600 seconds in an hour. 19 seconds is therefore 19/3600 of and hour.
1/5 of an hour.
It is: 60 seconds = 1 minute which is 1/60 of an hour
20/28
The fraction of 8 seconds/ 1 hour = 8 seconds/ 60 minutes = 8 seconds/ 3600 seconds. This would mean that 8 seconds is 1/ 450 of a hour and that 8 seconds is 0.222% of a hour.
1/30
3/4
1/100
2/5
4,800 seconds in 1 hour 20 minutes.