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550/70 = 55/7 = 7 6/7

It would take seven hours and six sevenths of an hour. So how long is six sevenths of an hour?

60 * 6/7 = 360/7 = 51 3/7

60 * 3/7 = 180/7 = 25 5/7

So the drive would take seven hours, fifty-one minutes, and just under twenty-six seconds.

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14y ago
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Q: How long does it take to drive 550 miles at 70 miles per hour?
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