1/70th of an hour = 0.01429 hour (rounded)
0.01429 x 3600 (number of seconds in one hour)
51.4286 seconds (51.444 using the rounded decimals)
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70 miles per hour = 70/60 miles per minute = 60/70 minutes per mile The answer is 6/7 minute or 51.4 seconds.■
60 mph = 60 miles over 60 minutes (assuming a constant speed over that time of 60 mph) Therefore 1 mile is travelled in 1 minute. So, to travel 82 miles at 60 mph would take 82 minutes.
13.66...hours
Assuming the person doesn't need to accelerate to 70 mph, immediately goes from zero to 70 in an instant, he will cover 1 mile in about 1.166 minutes.
233 mi / 70 MPH = 3.34 hr = 3 hr 20 min.