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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

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โˆ™ 2012-05-09 18:25:45
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Q: How do you change half minutes in seconds?
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