0
Anonymous
No.of Hours per day = 24
So , No.of hours in 30 days = 30*24
= 720 Hours
Wiki User
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4 hours
7 hours and 30 minutes is 7.5 hours.
9 hours
10:30-5:30 is 7 hours
There is 30 minutes in a half hour. There is no hours in half hours.