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人気のある Word Problems >

The sum of three consecutive odd integers is 75 . Find the value of the middle of the three.

解

T h e s u m o f t h ree co n sec u t i v e o dd in t e g ers i s 75 . F in d t h e v a l u e o f t h e mi dd l e o f t h e t h ree .

解

The number : 25

解答ステップ

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 = 75

解く

x + x + 2 + x + 4 = 75 : x = 23

x + 2 = 23 + 2 = 25

x + 4 = 23 + 4 = 27

The number : 25

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