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人気のある Word Problems >

The sum of three consecutive integers is-120 . Find the three integers.

解

T h e s u m o f t h ree co n sec u t i v e in t e g ers i s - 120 . F in d t h e t h ree in t e g ers .

解

The numbers : - 41, - 40, - 39

解答ステップ

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 = - 120

解く

x + x + 1 + x + 2 = - 120 : x = - 41

x + 1 = - 41 + 1 = - 40

x + 2 = - 41 + 2 = - 39

The numbers : - 41, - 40, - 39

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