Answer:
t = 8.82 minutes
Step-by-step explanation:
The average speed of an object is given bu the total distance covered divided by total time taken.
The average speed of a kid is 6.8 mi/h
Let t is the time taken by this kid to run a mile, d = 1 mile
or
t = 8.82 minutes
So, it will take 8.82 minutes to run a mile.