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受欢迎的 Word Problems >

micheal is 3 times as old as bradon. 18 years ago, micheal was 9 times as old as bradon

解答

mi c h e a l i s 3 t im es a s o l d a s b r a d o n . 18 ye a rs a g o, mi c h e a l w a s 9 t im es a s o l d a s b r a d o n

解答

Bradon^{'} s age is : 24

Micheal^{'} s age is : 72

求解步骤

Translate the problem into an equation:

3 x - 18 = 9 (x - 18)

求解

x, 3 x - 18 = 9 (x - 18) : x = 24

找到 age

Bradon^{'} s age is : 24

Micheal^{'} s age is : 72

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