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the sum of 3 consecutive even integers is 84, what is the smallest of these 3 integers?

 

--CG

 Jan 16, 2015

Best Answer 

 #1
avatar+26397 
+10

The sum of 3 consecutive even integers is 84, what is the smallest of these 3 integers ?

smallest integer = n

n+ (n+2) + (n+4) = 84

3n +6 = 84  | -6

3n = 84 - 6

3n = 78 | :3

n = 78/3

n = 26

The 3 consecutive even integers are 26  28  30

The sum is 26+28+30 = 84

The smallest integer ist 26

 Jan 16, 2015
 #1
avatar+26397 
+10
Best Answer

The sum of 3 consecutive even integers is 84, what is the smallest of these 3 integers ?

smallest integer = n

n+ (n+2) + (n+4) = 84

3n +6 = 84  | -6

3n = 84 - 6

3n = 78 | :3

n = 78/3

n = 26

The 3 consecutive even integers are 26  28  30

The sum is 26+28+30 = 84

The smallest integer ist 26

heureka Jan 16, 2015
 #2
avatar+130491 
+5

Melody has provided a good answer....here's another way.....

First, divide 84 by 3 = 28

Add 2 to 28  = 30   and subtract 2 from 28  = 26

And there are your answers.....26, 28 and  30 ...!!!!

 

 Jan 16, 2015
 #3
avatar+118710 
0

I didn't provide any answer but Heureka did provide a good answer  

 Jan 17, 2015
 #4
avatar
+5

Thanks guys!  This is very helpful.

 

--CG

 Jan 19, 2015

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