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You have to know that 1 day = 24 hours and 1 hour = 60 minutes.

The tricky part is converting hours:minutes into decimal hours.

15 minutes = 15/60 = 1/4 = 0.25 hours

Therefore 7 hrs 15 min = 7.25 hours

What fraction of a day?

7.25 / 24 = .30208333... = 30.2 percent

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11y ago

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