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Phổ biến Word Problems >

the sum of three consecutive integers is 39. that are the numbers

Lời Giải

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 39. t ha t a re t h e n u mb ers

Lời Giải

The numbers : 12, 13, 14

Các bước giải pháp

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 = 39

Giải

x + x + 1 + x + 2 = 39 : x = 12

x + 1 = 12 + 1 = 13

x + 2 = 12 + 2 = 14

The numbers : 12, 13, 14

Ví dụ phổ biến

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