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Five positive consecutive integers starting with a have average b. What is the average of 5 consecutive integers that start with b?

 May 6, 2020
 #1
avatar+1502 
+3

if a = 1, we have a set [1,2,3,4,5]

average of that is 15/5 =3

 

the second set starting with 3 is [3,4,5,6,7] and average 25/5 = 5

 

What can we tell about this?

 May 6, 2020
 #2
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0

5= 1+4 

 

so it's a+4?

Guest May 6, 2020
 #3
avatar+1502 
+3

Yup thats the answer

 

Is there any confusion?

hugomimihu  May 6, 2020

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