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인기 있는 Word Problems >

Ed is 7 years older than Ted. Ed’s age is also 3/2 times Ted’s age. How old are Ed and Ted?

해법

E d i s 7 ye a rs o l d er t han T e d . E d ’ s a g e i s a l so \frac{3}{2} t im es T e d ’ s a g e . Ho w o l d a re E d an d T e d ?

해법

Ed^{'} s age is : 21

Ted^{'} s age is : 14

솔루션 단계

Translate the problem into an equation:

x = \frac{3}{2} (x - 7)

x

해결 대상

, x = \frac{3}{2} (x - 7) : x = 21

age 찾다

Ed^{'} s age is : 21

Ted^{'} s age is : 14

인기 있는 예

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