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18 + 27 + 96 = 141 minutes = 2 hours, 21 minutes 6/20 + 9/20 + 32/20 = 47/20 = 141/60 = 2.35 hours
1 hour 20 minutes you take away 955 from 835 and thats how you get your answer 1 hour 20 minutes
Time = Distance / Speed = 1 m / 9 mph = 1/9 hour = 60/9 min ie 20/3 or 6.67 minutes.
one way to do this is to conver 9 minutes into hours. Since an hour is 60 minute, 9 minutes is9/60 or 3/20 of an hour.5.8 mile/ (3/20) is 5.8 miles x20/30this is 116/30 or about 38.6667 miles per hour.
1 hour = 60 minutes → 9 per hour = 9 per 60 minutes therefore divide by 60 to give you how many per minute: 9 per 60 minutes = 9/60 per 60/60 minutes = 3/20 per minute.