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Popular Word Problems >

The sum of 3 consecutive integers is 51. What is the second number in this sequence?

Solution

T h e s u m o f 3 co n sec u t i v e in t e g ers i s 51. Wha t i s t h e seco n d n u mb er in t hi s se q u e n ce ?

Solution

The number : 17

Solution steps

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 1

Consecutive number 2 : x + 2

A.T.Q.:

x + x + 1 + x + 2 = 51

Solve

x + x + 1 + x + 2 = 51 : x = 16

x + 1 = 16 + 1 = 17

x + 2 = 16 + 2 = 18

The number : 17

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