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인기 있는 Word Problems >

find four consecutive odd numbers with a sum of 80

해법

f in d f o u r co n sec u t i v e o dd n u mb ers w i t h a s u m o f 80

해법

The numbers : 17, 19, 21, 23

솔루션 단계

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

Consecutive number 3 : x + 6

A.T.Q.:

x + x + 2 + x + 4 + x + 6 = 80

x + x + 2 + x + 4 + x + 6 = 80

해결 :

x = 17

x + 2 = 17 + 2 = 19

x + 4 = 17 + 4 = 21

x + 6 = 17 + 6 = 23

The numbers : 17, 19, 21, 23

인기 있는 예

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