Laughing for 30 minutes can burn between 20 to 80 calories, depending on a persons weight and intensity of laughter. Not as many as you would burn running though, even over the 30 minutes.
195 minutes is the same as 3 hours and 15 minutes.
1.3 hours is the same as 78 minutes.
No. 10.2 hours is 612 minutes.
4.50 is the same as 4.5 hours which is 4 hours and 30 minutes
148 minutes is the same as 2 hours and 28 minutes.
1 hour = 60 minutes so 3.15 hours = 3.15*60 = 189 minutes. This is NOT the same as the number of minutes in 3 hours 15 minutes.
3 hrs 20 min
2.75 hours is the same as 2 hours and 45 minutes
Yes.
You can write 2.5 hours. This is the same as 25/10 hours. 1/10 of an hour is 6 minutes so 5/10 is 30 minutes. 2.5 hours is the same as writing 2hours 30 minutes. 3.75 hours = 3 hours 45 minutes 1.25 hours = 1 hour 15 minutes etc etc
This would equal 144 hours and 12 minutes.
No. There are 60 minutes in one hour, so 0.2 hours = (0.2 x 60) = 12 minutes. 6.2 hours means 6 hours and 12 minutes. 6 hours and 15 minutes is the same as 6.25 hours.