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Popolare Word Problems >

The sum of 3 consecutive even numbers is 78 What is the second number in this sequence?

Soluzione

T h e s u m o f 3 co n sec u t i v e e v e n n u mb ers i s 78 Wha t i s t h e seco n d n u mb er in t hi s se q u e n ce ?

Soluzione

The number : 26

Fasi della soluzione

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

A.T.Q.:

x + x + 2 + x + 4 = 78

Risolvi

x + x + 2 + x + 4 = 78 : x = 24

x + 2 = 24 + 2 = 26

x + 4 = 24 + 4 = 28

The number : 26

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