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人気のある Word Problems >

The sum of three consecutive integers is 120. find the numbers.

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 n u mb ers .

解

The numbers : 39, 40, 41

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 = 39

x + 1 = 39 + 1 = 40

x + 2 = 39 + 2 = 41

The numbers : 39, 40, 41

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