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The sum of 5 consecutive even numbers is 135 .What is the second number in this sequence?

Solution

The sum of 5 consecutive even numbers is 135 .What is the second number in this sequence?

Solution

No Solution

Solution steps

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

Consecutive number 3 : x + 6

Consecutive number 4 : x + 8

A.T.Q.:

x + x + 2 + x + 4 + x + 6 + x + 8 = 135

Solve

x + x + 2 + x + 4 + x + 6 + x + 8 = 135 : x = 23

x + 2 = 23 + 2 = 25

x + 4 = 23 + 4 = 27

x + 6 = 23 + 6 = 29

x + 8 = 23 + 8 = 31

Odd value

23

discarded

No Solution

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