What is the average speed of a runner if he ran 2 1/3 of a mile in 20 minutes?

The average speed of the runner is 7 miles per hour.

Step-by-step explanation:

Given:

Distance ran by

Time taken  by the runner = 20 minutes.

To find:

The average speed of a runner=?

Solution:

Now, we know that ,

distance = speed x time

Then, = average speed x 20 minutes  

=> average speed =

=> average speed =

=> average speed=

=> average speed =

=>average speed =

=>average speed = 7

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