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749
400 ÷ 60 = 6 hours 40 minutes
Three hours
60 minutes = 1 hour so 400 min = 400/60 = 6.66... hours. Simple!
From 7:45 AM to 4:00 PM is a total of 8 hours and 15 minutes. To break it down, there are 8 hours from 7:45 AM to 3:45 PM, plus an additional 15 minutes from 3:45 PM to 4:00 PM. Therefore, the total duration is 8 hours and 15 minutes.