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Popolare Word Problems >

the sum of three numbers is 108. the third number is 4 times the second. the first number is 6 more than the second. what are the numbers

Soluzione

t h e s u m o f t h ree n u mb ers i s 108. t h e t hi r d n u mb er i s 4 t im es t h e seco n d . t h e f i rs t n u mb er i s 6 m ore t han t h e seco n d . w ha t a re t h e n u mb ers

Soluzione

The numbers : 23, 17, 68

Fasi della soluzione

Represent the numbers with

x, y, z

:

number 1 : x

number 2 : y

number 3 : z

A.T.Q.:

x + y + z = 108

z = 4 y

x = 6 + y

x + y + z = 108, z = 4 y, x = 6 + y : x = 23, y = 17, z = 68

The numbers : 23, 17, 68

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