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Popular Word Problems >

Of the three consecutive natural numbers, five times the smallest number is 20:more than three times the greatest number, find the middle number.

Solución

O f t h e t h ree co n sec u t i v e na t u r a l n u mb ers, f i v e t im es t h e s ma ll es t n u mb er i s 20 : m ore t han t h ree t im es t h e g re a t es t n u mb er, f in d t h e mi dd l e n u mb er .

Solución

The number : 5

Pasos de solución

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 1

Consecutive number 2 : x + 2

A.T.Q.:

5 x = 20

Resolver

5 x = 20 : x = 4

x + 1 = 4 + 1 = 5

x + 2 = 4 + 2 = 6

The number : 5

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