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90 seconds = 60 seconds + 30 seconds = 1.5 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
There are 60 seconds in one minute. Therefore, 5400 seconds is equal to 5400/60 = 90 minutes.
There are 60 seconds in one minute. Therefore, 5400 seconds is equal to 5400 / 60 = 90 minutes.
To convert minutes to hours, you divide the number of minutes by 60. Therefore, 5400 minutes divided by 60 equals 90 hours. So, 5400 minutes is equivalent to 90 hours.