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受欢迎的 Word Problems >

Kate is three times as old as her son. If kate is 30 years old than her son, what are their ages?

解答

K a t e i s t h ree t im es a s o l d a s h er so n . I f ka t e i s 30 ye a rs o l d t han h er so n, w ha t a re t h e i r a g es ?

解答

Son^{'} s age is : 15

Kate^{'} s age is : 45

求解步骤

Translate the problem into an equation:

x = 3 x - 30

求解

x, x = 3 x - 30 : x = 15

找到 age

Son^{'} s age is : 15

Kate^{'} s age is : 45

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