20%
36 / 60 = 0.6 = 60 %
15
"60 Minutes" has been airing on Sunday nights from 7:00 PM to 8:00 PM (Eastern Standard Time) on CBS since 1968. It was not a big ratings hit when it first debuted, but over time, has become one of...
Because the units(minutes) for both 45 and 60 are the same, you can simply place 45 over 60 ~ 45min/60min = 3/4 (As the minutes cancel)