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פּוֹפּוּלָרִי Word Problems >

Ayres is ten years older than her sister, Isay. In four years, she will be twice as old as her sister. What will be the equation?

פתרון

A yres i s t e n ye a rs o l d er t han h er s i s t er, I s a y . I n f o u r ye a rs, s h e w i ll b e tw i ce a s o l d a s h er s i s t er . Wha t w i ll b e t h e e q u a t i o n ?

פתרון

Ayres^{'} s age is : 16

Isay^{'} 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

Ayres^{'} s age is : 16

Isay^{'} s age is : 6

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