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There are many historical system. You can read the history of degrees and seconds and minutes both in time and direction: http://en.wikipedia.org/wiki/Numeral_system#Sixty The Sumerians established the 60-numeral system. Sixty is evenly divisible by: 2,3 4, 5, 6, 10,12,15,20,30 (10 numbers). whereas 100 is only divisible by 2,5,10,20,25 and 50 (6 numbers). This is important if you are splitting thing up. And why the day is 24 hours?! time,like space, is relative, wich mean no one can be accertain that a certain event occured in a certain time, to over come this delima we created hours and minutes. however the babylions,iraqis, are those who created that system.

Q: Why 1hour is calculated as 60minutes?

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47 hours * 60minutes/1hour = 2820 minutes

1 hour = 60 minutes 0.2 hours = 12 minutes 1.2 hours = 1.2 x 60 = 72 minutes

Sixty minutes equals 3,600 seconds or 1 hour.

4.5hours*60minutes/hour*60seconds/minute = 1620 seconds

5160

Related questions

47 hours * 60minutes/1hour = 2820 minutes

36minutes can be expressed as 3/5hours.(1hour = 60minutes)

365 Years (365 Days/1 year)(24 hours/1day)(60minutes/1hour)(60seconds/1min) = 11 510 640 000 s

12096 minutes1 hour = 60 minutes1 day = 24 hours1 week = 7 days1.2 weeks = 1.2 weeks * 7days/1week * 24hours/1day * 60minutes/1hour = 12096 minutes

1 hour = 60 minutes 0.2 hours = 12 minutes 1.2 hours = 1.2 x 60 = 72 minutes

180 minutes

because that's they the way they have it

30 to 60minutes

60minutes equal a hour.

1hour and 50 mins 1hour and 50 mins

The Babylonians, 600ish B.C.

'cause GOD made it that way so deal with it