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Calculating time - November 30th 2010, 11:52 PM

Hey everyone!

I calculated that from (as an example) from 6:15 to 8:30, it is 2.25 hours.

How do I calculate how many hours there are in 11:10 to 12:30? I did some calculations and I ended up with 1.33 hours. Is this correct?
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Re: Calculating time - December 1st 2010, 01:00 AM

What I would do is take how many minutes there is between the 2 times, and divide them by 60, and you do get 1.33.

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Re: Calculating time - December 1st 2010, 01:01 AM

Its easiest, in my mind if you work in minutes.

11.10 to twelve o'clock is 50 minutes. 12 o'clock to 12.30 is 30 minutes.

30 + 50 = 80 minutes

60 minutes (1 hour) in 80 = 1 hour and 20 minutes

there are three 20 minutes in 1 hour (60 minutes) so 20 minutes is one third.

Therefore 1.33 hours is the correct answer.
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