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Beliebt >

The sum of 3 consecutive odd numbers is 51 What is the second number in this sequence?

Lösung

The sum of 3 consecutive odd numbers is 51 What is the second number in this sequence?

Lösung

The number : 17

Schritte zur Lösung

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 = 51

Löse

x + x + 2 + x + 4 = 51 : x = 15

x + 2 = 15 + 2 = 17

x + 4 = 15 + 4 = 19

The number : 17

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