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인기 있는 Word Problems >

Diane is 23 years older than her daughter Amy. In 6 years, Diane will be twice as old as Amy. How old are they now?

해법

D ian e i s 23 ye a rs o l d er t han h er d a ug h t er A m y . I n 6 ye a rs, D ian e w i ll b e tw i ce a s o l d a s A m y . Ho w o l d a re t h ey n o w ?

해법

Diane^{'} s age is : 40

Amy^{'} s age is : 17

솔루션 단계

Translate the problem into an equation:

x + 6 = 2 (x - 23 + 6)

x

해결 대상

, x + 6 = 2 (x - 23 + 6) : x = 40

age 찾다

Diane^{'} s age is : 40

Amy^{'} s age is : 17

인기 있는 예

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