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Beliebt Word Problems >

the sum of 5 consecutive integers is 145. What is the third number in this sequence?

Lösung

t h e s u m o f 5 co n sec u t i v e in t e g ers i s 145. Wha t i s t h e t hi r d n u mb er in t hi s se q u e n ce ?

Lösung

The number : 29

Schritte zur Lösung

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 1

Consecutive number 2 : x + 2

Consecutive number 3 : x + 3

Consecutive number 4 : x + 4

A.T.Q.:

x + x + 1 + x + 2 + x + 3 + x + 4 = 145

Löse

x + x + 1 + x + 2 + x + 3 + x + 4 = 145 : x = 27

x + 1 = 27 + 1 = 28

x + 2 = 27 + 2 = 29

x + 3 = 27 + 3 = 30

x + 4 = 27 + 4 = 31

The number : 29

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