70 x 20/60 = 23.3 recurring (that is, 23.3333...)
Therefore, someone has travelled 23.3333... miles within the specified time.
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MPH=distance/time or MPH = (distance x 60) / time It's best to get time in terms of 100 (i.e., 20 mins 20 secs = 20.333 mins) Simple formula for that: minutes + [(seconds x 100)/6000] minutes + [seconds / 60] ( same diff. ) Speed equals miles divided by hours Speed = miles / hours miles = speed x hours hours = speed x miles Where: Speed is mph (miles per hour) Miles are distance traveled Hours are length of time to get there If time less than one hour then divide minutes by 60 to get fraction of an hour.
Time = Distance/Speed = 6/45 hours = 8 minutes.
Speed = Distance/Time 3 hours and 27 minutes = 3.45 hours Speed = 500/3.45 = 144.9275362 miles per hour Which when rounded up is 145 mph.
Average speed = Distance/Time = 2.5 miles/15 minutes = 10 miles per hour
Time = Distance/Speed = 5.4 miles/35 mph = 0.15429 hours = 9.26 minutes (approx).