Two quarters make up one half
67
8 and 3/4, or 35/4.
135
30 minutes are in half an hour.
There are 5400 seconds in an hour and a half.
Ninety minutes are in an hour and a half
no days just half an hour
30 minutes equal half an hour.
There are 5,400 seconds in an hour and a half.
There are 60 minutes in an hour therefore the number of minutes in half an hour is 60x0.5=30.
30 minutes = half an hour, because 60 minutes are one hour.