So a day is made up of 24 hours. An hour is 60 minutes long. This means that 24 hours is 24 x 60 = 1,440 minutes in a day
2 hours and 27 minutes is 147 minutes long.
To find what fraction of a day it is do this equation \:
147/1,440 = approximately 0.102 of a day.
For a percentage, multiply by 100
0.102 x 100 = 10.2%
Hope this helps!
