Think about it this way:
To go 1.5 miles in 12 minutes, how fast do you need to do each mile? To answer that, divide 12 by 1.5. That would give you 8 minutes per mile.
An hour has 60 minutes, so to get the miles per hour you'd have to ask "How many 8 minute miles are there in an hour?" Divide 60 by 8 and you get 7.5 miles per hour.
7.5mph would get you 1.5 miles in 12 minutes.
So to get 1.5 miles in UNDER 12 minutes you'd need to go at least a touch faster than 7.5mph.
or,
as 1 hour = 60 mins
We can do it in this way ,
it take 12 mins to go 1.5 miles
then, for 1 min = 1.5/12
for , 60 mins = 1.5*60/12 = 7.5 miles / hr
answer : at least 7.5 miles/hour
50 miles in 10 minutes is the same as 300 miles per hour, since 50 miles/10 minutes * 60 minutes/1 hour = 300 miles per hour
2.58 miles / 61 minutes * 60 minutes/hour ~= 2.538 mph
An hour is 60 minutes, so the car would travel 16 x 6=96 mph (miles per hour)
40 minutes
40.2 miles per hour.
1.5 miles in 12 minutes = 7.5 miles/hour = 12.07kilometers/hour, or more
50 miles in 10 minutes is the same as 300 miles per hour, since 50 miles/10 minutes * 60 minutes/1 hour = 300 miles per hour
speed = distance/time 15 minutes = 1/4 hour 1.5/1/4 = 6 mph
To do the run in 13.049 minutes your pace must be at least 7 mph.
(19.76 miles)/[(42.23 minutes)/(60 minutes/hour) = 28.08 miles/hour, to the justified number of significant digits.
Here is the explanation: 2 miles/16 minutes X 60 minutes/hour = 7.5 miles per hour
Using a time goal of 17.5 minutes, you would need to maintain an average speed of at least 6.86 (7) miles per hour.
It depends on the speed. At 10 miles per hour 100 miles is 10 hours. At 100 miles an hour it is 1 hour. At 1000 miles an hour it is 0.1 hour (= 6 minutes).
28 miles in 1 hour 38 minutes equates to an average speed of 17.14 miles per hour.
2.58 miles / 61 minutes * 60 minutes/hour ~= 2.538 mph
51.5 minutes.
At 1 mile per hour it is 55 hours, at 2 miles an hour it is 27.5 hours at 5 miles an hour it is 11 hours at 55 miles an hour it is 1 hour at 60 miles an hour it is 55/60 hour or 55 minutes at 120 miles an hour it is 27.5 minutes at 550 miles an hour it is 6 minutes etc