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人気のある Word Problems >

The sum of the ages of Andres and Dana is 58 years. 8 years ago, Andres's age was 2 times Dana's age. How old is Andres now?

解

T h e s u m o f t h e a g es o f A n d res an d D ana i s 58 ye a rs . 8 ye a rs a g o, A n d re s^{'} s a g e w a s 2 t im es D an a^{'} s a g e . Ho w o l d i s A n d res n o w ?

解

Andres^{'} s age is : 36

解答ステップ

Translate the problem into an equation:

x - 8 = 2 (58 - x - 8)

x

を解く

x - 8 = 2 (58 - x - 8) : x = 36

Andres^{'} s age is : 36

人気の例

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