Carly reached school at 08:15 AM, and her classes ended at 04:30 PM.
How many hours did she spend at school ?

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• A 8 hours and 15 minutes
• B 7 hours and 15 minutes
• C 4 hours and 35 minutes
• D 3 hours and 45 minutes

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Answer: A. 8 hours and 15 minutes

04:30 PM = 16:30 and 08:15 AM = 08:15.



16:30 - 08:15 = 08:15 - hence 8 hours and 15 minutes

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