22.5 miles.
Well, 30 minutes is exactly half of an hour so you would cover half of the 40 miles = 20 miles
If you have to cover 21 miles in 21 minutes, then you need to cover 1 mile every minute. There are 60 minutes in an hour, so if you kept that up for an hour, you'd cover 60 miles.
At 45 mph you can cover 3.75 miles in five minutes.
85 miles
1.5 miles.
If you run for 40 minutes at 8 kilometers per hour you will cover 3.31 miles.
Well, we know that in an hour, you'll go 50 miles. And 30 minutes is half an hour. So 50 divided by 2 is 25. That means that you will cover 25 miles in 30 minutes going 50 miles per hour.
Typically, the average walking speed is about 3 miles per hour. This means that if you walked for 90 minutes, you could cover an average of 4.5 miles.
75 minutes is 1.25 hours. going 14.6 miles each hour means you multiply 1.25 by 14.5 and you get 18.125
1 hour = 60 minutes so 20 minutes = 20/60 = 1/3 hours So, at 50 miles per hour, you would travel 50*1/3 miles = 16.666 .. miles
you go 67.5 miles as 90/4*3= 67.5