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פּוֹפּוּלָרִי Word Problems >

The sum of Sally and Beth's age is 60. Six years ago, Sally was 3 times as old as Beth. What are their present ages?

פתרון

T h e s u m o f S a ll y an d B e t h^{'} s a g e i s 60. S i x ye a rs a g o, S a ll y w a s 3 t im es a s o l d a s B e t h . Wha t a re t h e i r p rese n t a g es ?

פתרון

Sally^{'} s age is : 42

Beth^{'} s age is : 18

צעדי פתרון

Translate the problem into an equation:

x - 6 = 3 (60 - x - 6)

x - 6 = 3 (60 - x - 6), x

פתור בשביל:

x = 42

age מצא את

Sally^{'} s age is : 42

Beth^{'} s age is : 18

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