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Populaire >

The sum of three consecutive numbers is 72. What are the smallest of these numbers?

Solution

The sum of three consecutive numbers is 72. What are the smallest of these numbers?

Solution

The smallest number : 23

étapes des solutions

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 = 72

Résoudre

x + x + 1 + x + 2 = 72 : x = 23

x + 1 = 23 + 1 = 24

x + 2 = 23 + 2 = 25

Select the smallest solution:

23

The smallest number : 23

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