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Populaire Word Problems >

The sum of three consecutive numbers is 42. Find the numbers.

Solution

T h e s u m o f t h ree co n sec u t i v e n u mb ers i s 42. F in d t h e n u mb ers .

Solution

The numbers : 13, 14, 15

étapes des solutions

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 = 42

Résoudre

x + x + 1 + x + 2 = 42 : x = 13

x + 1 = 13 + 1 = 14

x + 2 = 13 + 2 = 15

The numbers : 13, 14, 15

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