300 seconds
200 minutes
0.6 minutes
2.5333... minutes are equivalent to 152 seconds.
there are 11 hours and 40 mintues :)
90 seconds
There are 5 times 60 = 300 seconds
900 seconds.
There are 8 minutes and 30 seconds in 510 seconds.
10 minutes
hmm.. this is a tough one try 10 mintues
60 mintues. also, 60 seconds for 1 minute.