You cover 8 miles in 30 minutes.
The time it takes to walk 2.1 miles depends on the individual's walking speed. On average, a person walking at a moderate pace of 3 miles per hour would cover 2.1 miles in about 42 minutes.
22.5 miles.
0.45 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.
67.5 miles.
Well, 30 minutes is exactly half of an hour so you would cover half of the 40 miles = 20 miles
Roughly 500
85 miles
1.5 miles.
The average adult walks at about 4 miles an hour - so, two hours, or 120 minutes.
6.316 mph