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شائع Word Problems >

Carmen is 9 years older than David. Seven years ago, the sum of their ages was 25. How old are they now?

الحلّ

C a r m e n i s 9 ye a rs o l d er t han D a v i d . S e v e n ye a rs a g o, t h e s u m o f t h e i r a g es w a s 25. Ho w o l d a re t h ey n o w ?

الحلّ

Carmen^{'} s age is : 24

David^{'} s age is : 15

خطوات الحلّ

Translate the problem into an equation:

x - 7 + x - 9 - 7 = 25

x - 7 + x - 9 - 7 = 25, x

حلّ لـ:

x = 24

age جد

Carmen^{'} s age is : 24

David^{'} s age is : 15

أمثلة شائعة

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