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Phổ biến Word Problems >

The sum of three consecutive integers is 78. What are the three integers?

Lời Giải

The sum of three consecutive integers is 78. What are the three integers?

Lời Giải

The numbers : 25, 26, 27

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 = 78

Giải

x + x + 1 + x + 2 = 78 : x = 25

x + 1 = 25 + 1 = 26

x + 2 = 25 + 2 = 27

The numbers : 25, 26, 27

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