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What is the average of the 5 natural numbers?

Guest Jun 15, 2017
 #1
avatar+7493 
+1

What is the average of the 5 natural numbers?

 

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

 

laugh  !

asinus  Jun 15, 2017
 #2
avatar+93675 
+1

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

Melody  Jun 15, 2017
 #3
avatar+7493 
+1

Thanks, Melody! smiley

asinus  Jun 15, 2017
 #4
avatar+9644 
+1

The average of 5 consecutive numbers is:

 

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

 

laugh

Omi67  Jun 15, 2017
 #5
avatar+93675 
+1

OR

 

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

 

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

 

 

wink

Melody  Jun 15, 2017

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