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Popular Word Problems >

The sum of 4 consecutive even numbers is 36 .What is the first number in this sequence?

Solution

T h e s u m o f 4 co n sec u t i v e e v e n n u mb ers i s 36 . Wha t i s t h e f i rs t n u mb er in t hi s se q u e n ce ?

Solution

The number : 6

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

A.T.Q.:

x + x + 2 + x + 4 + x + 6 = 36

Solve

x + x + 2 + x + 4 + x + 6 = 36 : x = 6

x + 2 = 6 + 2 = 8

x + 4 = 6 + 4 = 10

x + 6 = 6 + 6 = 12

The number : 6

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