7 minutes and 40 seconds.
Wiki User
∙ 14y agoThere are 60 seconds in a minute, so a half minute would be 30 seconds. If you have a length of time in half minutes, multiply that by 30 to get seconds. For example, 20 half minutes = 20 x 30 seconds = 600 seconds
30 minutes × 60 seconds = 1800 seconds in half an hour.
2.208 minutes.
210 seconds
Exactly 30 seconds
3 and a half minutes = 210 seconds.
100 seconds - 1 and a half minutes = 99
There are 60 seconds in a minute, so a half minute would be 30 seconds. If you have a length of time in half minutes, multiply that by 30 to get seconds. For example, 20 half minutes = 20 x 30 seconds = 600 seconds
3.7
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
There are no minutes in half a minute. - In one minute there are 60 seconds. - In half a minute there are 30 seconds. - In one hour there are 60 minutes. - In half an hour there are 30 minutes.
10.5 minutes = 630 seconds
30 minutes × 60 seconds = 1800 seconds in half an hour.
There are 10,5 minutes or 10 minutes and 30 seconds in 10 and a half minutes.
2.208 minutes.
150 seconds.
150 seconds