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Populaire Word Problems >

find three consecutive odd numbers whose sum is fifty-seven

Solution

f in d t h ree co n sec u t i v e o dd n u mb ers w h ose s u m i s f i f t y - se v e n

Solution

The numbers : 17, 19, 21

étapes des solutions

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 = 57

Résoudre

x + x + 2 + x + 4 = 57 : x = 17

x + 2 = 17 + 2 = 19

x + 4 = 17 + 4 = 21

The numbers : 17, 19, 21

Exemples populaires

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