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פּוֹפּוּלָרִי Word Problems >

One number is 9 more than twice another number. If the sum of the numbers is 129, find both numbers

פתרון

O n e n u mb er i s 9 m ore t han tw i ce an o t h er n u mb er . I f t h e s u m o f t h e n u mb ers i s 129, f in d b o t h n u mb ers

פתרון

The numbers : 89, 40

צעדי פתרון

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 9 + 2 y

x + y = 129

x = 9 + 2 y, x + y = 129 : x = 89, y = 40

The numbers : 89, 40

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