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

a² + b²= c²

24² + 7² = c²

c= 25

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3