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Phổ biến Word Problems >

the sum of three consecutive odd numbers is 51. find the numbers

Lời Giải

t h e s u m o f t h ree co n sec u t i v e o dd n u mb ers i s 51. f in d t h e n u mb ers

Lời Giải

The numbers : 15, 17, 19

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 = 51

Giải

x + x + 2 + x + 4 = 51 : x = 15

x + 2 = 15 + 2 = 17

x + 4 = 15 + 4 = 19

The numbers : 15, 17, 19

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