210 seconds
(60x3)+30
Wiki User
∙ 13y ago210 seconds
3.5 minutes is 210 seconds.
Exactly 30 seconds
390 seconds
30 minutes × 60 seconds = 1800 seconds in half an hour.
150 seconds.
150 seconds
10.5 minutes = 630 seconds
There are 10,5 minutes or 10 minutes and 30 seconds in 10 and a half minutes.
60 seconds an 1 minute 60 minutes in 1 hour 30 minutes in half an hour 90 minutes in one and a half hours. So 90 minutes * 60 seconds = 5400 seconds
Half an hour is 1800 seconds. 3 half hours are 5,400 seconds.
Three(3) minutes are in 180 seconds. (180 divided by 60 is three)
18,000 seconds.
510
330
30.
Half an hour is 1800 seconds. 3 half hours are 5,400 seconds.