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Popolare Word Problems >

The sum of three consecutive even numbers is 90. What are the numbers?

Soluzione

T h e s u m o f t h ree co n sec u t i v e e v e n n u mb ers i s 90. Wha t a re t h e n u mb ers ?

Soluzione

The numbers : 28, 30, 32

Fasi della soluzione

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 = 90

Risolvi

x + x + 2 + x + 4 = 90 : x = 28

x + 2 = 28 + 2 = 30

x + 4 = 28 + 4 = 32

The numbers : 28, 30, 32

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