30 minutes is half of an hour. It's also equal to 1800 seconds.
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30 minutes = 1,800 seconds
To convert hours to minutes, you multiply by 60 since there are 60 minutes in an hour. So, 2 hours is equal to 2 x 60 = 120 minutes. Adding 30 minutes to this gives a total of 120 + 30 = 150 minutes. Therefore, 2 hours and 30 minutes is equal to 150 minutes.
6:15
8:30 plus 45 minutes equals 9:15. To add the two times together, you can convert 8:30 to 8:00 and add the 45 minutes to get 8:45. Then, adding another 30 minutes gives you a total of 9:15.
2 hours and 75 minutes= 3 hours and 15 minutes.