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受欢迎的 Word Problems >

Aaron is three times as old as his son. In ten years Aaron will be twice as old as his son. How old is Aaron?

解答

A a ro n i s t h ree t im es a s o l d a s hi s so n . I n t e n ye a rs A a ro n w i ll b e tw i ce a s o l d a s hi s so n . Ho w o l d i s A a ro n ?

解答

Aaron^{'} s age is : 30

求解步骤

Translate the problem into an equation:

3 x + 10 = 2 (x + 10)

求解

x, 3 x + 10 = 2 (x + 10) : x = 10

找到 Aaron's age

: 30

Aaron^{'} s age is : 30

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