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人気のある Word Problems >

Two years ago, Xenon was three times as old as her nephew was then. In five years, Xenon will be only two times as old as her nephew. How old is each?

解

Tw o ye a rs a g o, X e n o n w a s t h ree t im es a s o l d a s h er n e p h e w w a s t h e n . I n f i v e ye a rs, X e n o n w i ll b e o n l y tw o t im es a s o l d a s h er n e p h e w . Ho w o l d i s e a c h ?

解

Xenon^{'} s age is : 23

Nephew^{'} s age is : 9

解答ステップ

Translate the problem into an equation:

x - 2 = 3 (y - 2), x + 5 = 2 (y + 5)

x - 2 = 3 (y - 2), x + 5 = 2 (y + 5) : x = 23, y = 9

Xenon^{'} s age is : 23

Nephew^{'} s age is : 9

人気の例

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