Oh, what a lovely question! In 2 hours, there are 120 minutes, and when you add 15 more minutes, you have a total of 135 minutes. Since there are 60 seconds in a minute, you can multiply 135 by 60 to find there are 8,100 seconds in 2 hours and 15 minutes. Just imagine all the beautiful things you can create in that time!
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To convert 2 hours and 15 minutes to seconds, first convert the hours to seconds by multiplying by 3600 (60 seconds in a minute, 60 minutes in an hour). 2 hours x 3600 seconds = 7200 seconds. Then convert the 15 minutes to seconds by multiplying by 60 (60 seconds in a minute). 15 minutes x 60 seconds = 900 seconds. Finally, add the two results together: 7200 seconds + 900 seconds = 8100 seconds in total for 2 hours and 15 minutes.
60 minutes in 1 hour=120 minutes in 2 hours
Total minutes=135
60 seconds in 1 minute
135 X 60=8100 seconds
54,000 seconds equals 900 minutes or 15 hours.
To convert 9435 seconds into hours, minutes, and seconds, you would first divide 9435 by 3600 (the number of seconds in an hour) to get 2 hours. Next, you would take the remaining seconds (2355) and divide by 60 (the number of seconds in a minute) to get 39 minutes. Finally, the remaining seconds would be 15 seconds. Therefore, 9435 seconds is equivalent to 2 hours, 39 minutes, and 15 seconds.
9 hours 21 minutes 09 seconds - 3 hours 46 minutes 54 seconds =5 hours 34 minutes 15 seconds
Well do the math 4hrs = 240 mins 240+23= 263 mins 263x60+15=number of seconds
There are 900 seconds in 15 minutes. (15 minutes is a quarter of an hour) You find this out by multiplying 60 (seconds in a minutes) by 15 (minutes).....HOPE THIS HELPED! :)