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In math, of means "times." So, in fractions 1/4 x 7 = 7/4 = 1 3/4 hours

In decimal: 1/4 x 7 = .25 x 7 = 1.75 hours

In minutes: There are 60 minutes in one hour. 7 hours x 60 minutes per hour = 420 minutes. 420 minutes divided by 4 equal parts to get one-fourth is 105 minutes, or 1 hour, 45 minutes (105-60=45)

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15y ago

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