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인기 있는 Word Problems >

kevin is 6 years older than timothy. 4 years ago, Kevin was twice as old as timothy. Find their present ages

해법

k e v in i s 6 ye a rs o l d er t han t im o t h y . 4 ye a rs a g o, Ke v in w a s tw i ce a s o l d a s t im o t h y . F in d t h e i r p rese n t a g es

해법

Kevin^{'} s age is : 16

Timothy^{'} s age is : 10

솔루션 단계

Translate the problem into an equation:

x - 4 = 2 (x - 6 - 4)

x

해결 대상

, x - 4 = 2 (x - 6 - 4) : x = 16

age 찾다

Kevin^{'} s age is : 16

Timothy^{'} s age is : 10

인기 있는 예

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