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Popular >

Find three consecutive integers such that the sum of the first and the third is 40.

Solution

Find three consecutive integers such that the sum of the first and the third is 40.

Solution

The numbers : 19, 20, 21

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 + 2 = 40

Solve

x + x + 2 = 40 : x = 19

x + 1 = 19 + 1 = 20

x + 2 = 19 + 2 = 21

The numbers : 19, 20, 21

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