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# What is the average of the 5 natural numbers?

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What is the average of the 5 natural numbers?

Guest Jun 15, 2017
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#1
+7118
+1

What is the average of the 5 natural numbers?

$$\large \frac{1+2+3+4+5}{5}\color{blue}=3$$

!

asinus  Jun 15, 2017
#2
+91038
+1

Well that is the average of the FIRST 5 natural numbers.

Melody  Jun 15, 2017
#3
+7118
+1

Thanks, Melody!

asinus  Jun 15, 2017
#4
+8826
+1

The average of 5 consecutive numbers is:

$$\frac{n+(n+1)+(n+2)+(n+3)+(n+4)}{5}=n+2$$

Omi67  Jun 15, 2017
#5
+91038
+1

OR

the average of 5 consecutive numbers (if the middle one is n)

$$=\frac{(n-2)+(n-1)+n+(n+1)+(n+2)}{5}\\ =\frac{5n}{5}\\ =n$$

Melody  Jun 15, 2017

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