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인기 있는 Word Problems >

The sum of 3 consecutive integers is 42. Which integers are they

해법

T h e s u m o f 3 co n sec u t i v e in t e g ers i s 42. Whi c h in t e g ers a re t h ey

해법

The numbers : 13, 14, 15

솔루션 단계

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

x + x + 1 + x + 2 = 42

해결 :

x = 13

x + 1 = 13 + 1 = 14

x + 2 = 13 + 2 = 15

The numbers : 13, 14, 15

인기 있는 예

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