It is because of the way in which the two measures are defined.
60 minutes is equal to one hour.
60 minutes equal one hour.
There are 60 minutes in one hour, therefore, one sixth of an hour is equal to 60 / 6 = 10 minutes.
There are 60 minutes in one hour. Therefore, one eighth of an hour is equal to 60/8 = 7.5 minutes, or 7 minutes 30 seconds.
There are 60 minutes in one hour. Therefore, one eighth of one hour is equal to 1/8 x 60 = 7.5 minutes or 7 minutes 30 seconds.
There are 60 minutes in one hour. Therefore, 17.25 hours is equal to 17.25 x 60 = 1035 minutes.
30 minutes = half an hour, because 60 minutes are one hour.
60 minutes are in one hour. 60 ten times is equal to 600. Thus 600 minutes are in one hour.
There are 60 minutes in one hour. Therefore, 50 hours is equal to 50 x 60 = 3000 minutes.
To convert minutes to hours, you divide the number of minutes by 60 since there are 60 minutes in an hour. Therefore, 900 minutes divided by 60 equals 15 hours.
There are 1 60th of an hour in 1 minute, as there are 60 minutes in 1 hour.
There are 60 minutes in one hour. Therefore, 75 percent of one hour is equal to 75/100 x 60 = 45 minutes.