Average Of 9 And 18

What is the average of 2 numbers : 9 And 18

How to do ?

Let's add these 2 numbers :

9 + 18 = 27

And then to find average, we have to find center point of the summation of these 2 numbers : 27, so let's divide 27 to 2 .

27 / 2 = 13.5

Answer = 13.5

Average of 9 and 18 is 13.5