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פּוֹפּוּלָרִי Word Problems >

the ages of john and mary are 54. four years ago, john was twice as old as mary. find the present age of each

פתרון

t h e a g es o f j o hn an d ma ry a re 54. f o u r ye a rs a g o, j o hn w a s tw i ce a s o l d a s ma ry . f in d t h e p rese n t a g e o f e a c h

פתרון

Mary^{'} s age is : 29

John^{'} s age is : 54

צעדי פתרון

Translate the problem into an equation:

2 (x - 4) = 54 - 4

2 (x - 4) = 54 - 4, x

פתור בשביל:

x = 29

age מצא את

Mary^{'} s age is : 29

John^{'} s age is : 54

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