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Q: What does Three and one half minutes equals how many seconds?

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210 seconds

210 seconds (60x3)+30

90 seconds. One minute is 60 seconds, 0.5 of a minute (half) is 30 seconds. 60 + 30 = 90

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

7 minutes and 40 seconds.

30 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.

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

30 minutes × 60 seconds = 1800 seconds in half an hour.

10.5 minutes = 630 seconds

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