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פּוֹפּוּלָרִי Word Problems >

Alvin's age is two times Elga's age. The sum of their ages is 15. What is Elga's age?

פתרון

A l v i n^{'} s a g e i s tw o t im es El g a^{'} s a g e . T h e s u m o f t h e i r a g es i s 15. Wha t i s El g a^{'} s a g e ?

פתרון

Elga^{'} s age is : 5

צעדי פתרון

Translate the problem into an equation:

2 x + x = 15

2 x + x = 15, x

פתור בשביל:

x = 5

Elga^{'} s age is : 5

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