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受欢迎的 Word Problems >

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

解答

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 ?

解答

Jack^{'} s age is : 1

求解步骤

Translate the problem into an equation:

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

求解

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

找到 Jack's age

: 1

Jack^{'} s age is : 1

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