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人気のある Word Problems >

The sum of 6 consecutive even numbers is 270.

解

T h e s u m o f 6 co n sec u t i v e e v e n n u mb ers i s 270.

解

The numbers : 40, 42, 44, 46, 48, 50

解答ステップ

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

Consecutive number 3 : x + 6

Consecutive number 4 : x + 8

Consecutive number 5 : x + 10

A.T.Q.:

x + x + 2 + x + 4 + x + 6 + x + 8 + x + 10 = 270

解く

x + x + 2 + x + 4 + x + 6 + x + 8 + x + 10 = 270 : x = 40

x + 2 = 40 + 2 = 42

x + 4 = 40 + 4 = 44

x + 6 = 40 + 6 = 46

x + 8 = 40 + 8 = 48

x + 10 = 40 + 10 = 50

The numbers : 40, 42, 44, 46, 48, 50

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