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人気のある Word Problems >

Find 3 consecutive odd integers such that 4 times the sum of the first two is 62 less than the product of-30 and the third.

解

F in d 3 co n sec u t i v e o dd in t e g ers s u c h t ha t 4 t im es t h e s u m o f t h e f i rs t tw o i s 62 l ess t han t h e p ro d u c t o f - 30 an d t h e t hi r d .

解

The numbers : - 5, - 3, - 1

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.:

4 (x + x + 2) = (- 30) (x + 4) - 62

解く

4 (x + x + 2) = (- 30) (x + 4) - 62 : x = - 5

x + 2 = - 5 + 2 = - 3

x + 4 = - 5 + 4 = - 1

The numbers : - 5, - 3, - 1

人気の例

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