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פּוֹפּוּלָרִי >

A number is nine times another number. Their sum is 40. What are the numbers?

פתרון

A number is nine times another number. Their sum is 40. What are the numbers?

פתרון

The numbers : 36, 4

צעדי פתרון

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 9 y

x + y = 40

x = 9 y, x + y = 40 : x = 36, y = 4

The numbers : 36, 4

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