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Phổ biến Word Problems >

The sum of three consecutive even integers is 30, what are the numbers?

Lời Giải

T h e s u m o f t h ree co n sec u t i v e e v e n in t e g ers i s 30, w ha t a re t h e n u mb ers ?

Lời Giải

The numbers : 8, 10, 12

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

A.T.Q.:

x + x + 2 + x + 4 = 30

Giải

x + x + 2 + x + 4 = 30 : x = 8

x + 2 = 8 + 2 = 10

x + 4 = 8 + 4 = 12

The numbers : 8, 10, 12

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