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受欢迎的 Word Problems >

Kevin is 12 years older than Fred. Fred is 1/3 as old as Kevin.

解答

Ke v in i s 12 ye a rs o l d er t han F re d . F re d i s 1/3 a s o l d a s Ke v in .

解答

Kevin^{'} s age is : 18

Fred^{'} s age is : 6

求解步骤

Translate the problem into an equation:

x - 12 = \frac{1}{3} x

求解

x, x - 12 = \frac{1}{3} x : x = 18

找到 age

Kevin^{'} s age is : 18

Fred^{'} s age is : 6

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