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Popolare 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?

Soluzione

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 ?

Soluzione

Xenon^{'} s age is : 23

Nephew^{'} s age is : 9

Fasi della soluzione

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

Esempi popolari

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