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Wiki User
It is (8.5 + 24k) hours where k is an integer.
Nine and a half hours.
840
Nine hours.
8:30am to noon is 3.5 hours.
8 hours and 30 minutes.
8 hours.
10 hours and 15 minutes.
2 hours and 30 minutes.
4.5 hours
That's nine and one quarter hours.
ten and a half
1960