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受欢迎的 Word Problems >

William's uncle is 32 years older than he is. In 15 years' time, his uncle will be double William's age. How old is William's uncle now?

解答

Wi ll ia m^{'} s u n c l e i s 32 ye a rs o l d er t han h e i s . I n 15 ye a r s^{'} t im e, hi s u n c l e w i ll b e d o u b l e Wi ll ia m^{'} s a g e . Ho w o l d i s Wi ll ia m^{'} s u n c l e n o w ?

解答

Uncle^{'} s age is : 49

求解步骤

Translate the problem into an equation:

x + 15 = 2 (x - 32 + 15)

求解

x, x + 15 = 2 (x - 32 + 15) : x = 49

Uncle^{'} s age is : 49

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