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פּוֹפּוּלָרִי >

The sum of the ages of Nate and Cristina is 90 years. 10 years ago, Nate's age was 4 times Cristina's age. How old is Nate now?

פתרון

The sum of the ages of Nate and Cristina is 90 years. 10 years ago, Nate's age was 4 times Cristina's age. How old is Nate now?

פתרון

Nate^{'} s age is : 66

צעדי פתרון

Translate the problem into an equation:

x - 10 = 4 (90 - x - 10)

x - 10 = 4 (90 - x - 10), x

פתור בשביל:

x = 66

Nate^{'} s age is : 66

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