Since there are 60 seconds in 1 minute, and 60 minutes in one hour, If we know this we can solve this problem.
7.5 x 60 x 60 = 7.5 x 3600 = 27000. There are exactly 27000 seconds in 7.5 hours.
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4500 seconds / 60 seconds in a minute = 75 minutes /60 minute in an hour = 1.25 hours
75 days 1800 hours 108,000 minutes 6,480,000 seconds
That's easy... 75!
75 * 60 = 4500 seconds It is the correct answer
There are 60 seconds in one minute. Therefore, 75 minutes is equal to 75 x 60 = 4500 seconds.