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شائع Word Problems >

The sum of the ages of Dakota and Patricia is 53 years. 7 years ago, Dakota's age was 2 times Patricia's age. How old is Dakota now?

الحلّ

T h e s u m o f t h e a g es o f D ak o t a an d P a t r i c ia i s 53 ye a rs . 7 ye a rs a g o, D ak o t a^{'} s a g e w a s 2 t im es P a t r i c i a^{'} s a g e . Ho w o l d i s D ak o t a n o w ?

الحلّ

Dakota^{'} s age is : 33

خطوات الحلّ

Translate the problem into an equation:

x - 7 = 2 (53 - x - 7)

x - 7 = 2 (53 - x - 7), x

حلّ لـ:

x = 33

Dakota^{'} s age is : 33

أمثلة شائعة

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