15
15 miles/hour
1 mile an hour
55 miles
There are 60 minutes in an hour, so 60 miles an hour.
8.726 miles per hour.
10 miles per hour.
55 miles
1 hour x 60 minutes __________________ = 8.89 minutes/mile 6.75 miles x 1 hour Hour cancels hour, you end up with minutes/mile.
This is an average speed of 4.77 miles per hour.
20 Mile per hour
If you travel a mile in 8 minutes, you are traviling at 7.5 miles per hour
14.28 miles per hour.