There are 60 seconds in 1 minute, therefore 60x90 = 5400 seconds in 90 minutes.
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*does? 90 minutes = 5400 seconds or 1 hour and 30 minutes
(1 hour) x (3,600 seconds per hour) / (90m seconds per article) = 40 articles
There are 5400 seconds in 90 minutes which is greater than 540 seconds
There are: 60 seconds in 1 minute 60 minutes in an hour 24 hours in a day So the answer is: 60*60*24*90=7776000 seconds
There are 60 seconds in one minute. Therefore, 90 minutes is equal to 90 x 60 = 5400 seconds.