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פּוֹפּוּלָרִי >

Rod is 10 years older than Noel. In 4 years, Rod will be twice as old as Noel. Find their present age.

פתרון

Rod is 10 years older than Noel. In 4 years, Rod will be twice as old as Noel. Find their present age.

פתרון

Rod^{'} s age is : 16

Noel^{'} s age is : 6

צעדי פתרון

Translate the problem into an equation:

x + 4 = 2 (x - 10 + 4)

x + 4 = 2 (x - 10 + 4), x

פתור בשביל:

x = 16

age מצא את

Rod^{'} s age is : 16

Noel^{'} s age is : 6

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