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Popular Word Problems >

The sum of three consecutive numbers is 30. Find the numbers.

Solution

T h e s u m o f t h ree co n sec u t i v e n u mb ers i s 30. F in d t h e n u mb ers .

Solution

The numbers : 9, 10, 11

Solution steps

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 1

Consecutive number 2 : x + 2

A.T.Q.:

x + x + 1 + x + 2 = 30

Solve

x + x + 1 + x + 2 = 30 : x = 9

x + 1 = 9 + 1 = 10

x + 2 = 9 + 2 = 11

The numbers : 9, 10, 11

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