Your average speed is 10 miles per hour.
1.5 miles/12 minutes = 7.5 miles/hour
Your avarage speed would be 12 miles an hour.
8 mph
(.25 miles / 3 minutes) * (60 minutes / 1 hr) = (.25 * 60)/3 = 5 mph If you run a quarter mile in 3 minutes, your average speed is 5 mph.
If you run 2.5 miles in 20 minutes your average speed is 7.5 miles per hour.
Your average speed is 11.25 miles per hour.
Your average speed is 10 miles per hour.
1.5 miles/12 minutes = 7.5 miles/hour
Your avarage speed would be 12 miles an hour.
Your average speed is 18.67 miles per hour.
8 mph
Her average speed is 6.67 miles per hour (10 miles in 90 minutes is the same as 6.67 miles in 60 minutes).
Two miles in 16 minutes requires an average speed of 7.5 miles per hour.
(.25 miles / 3 minutes) * (60 minutes / 1 hr) = (.25 * 60)/3 = 5 mph If you run a quarter mile in 3 minutes, your average speed is 5 mph.
To run 1.5 miles in 12.5 minutes you must maintain an average speed of 11.6 km/h
Your average speed is 6.6 miles per hour.