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인기 있는 Word Problems >

Jill is 18 years older than Jack. In 8 years, she will be three times his age. How old is Jack?

해법

J i ll i s 18 ye a rs o l d er t han J a c k . I n 8 ye a rs, s h e w i ll b e t h ree t im es hi s a g e . Ho w o l d i s J a c k ?

해법

Jack^{'} s age is : 1

솔루션 단계

Translate the problem into an equation:

x + 8 = 3 (x - 18 + 8)

x

해결 대상

, x + 8 = 3 (x - 18 + 8) : x = 19

Jack's age 찾다 :

1

Jack^{'} s age is : 1

인기 있는 예

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