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

해법

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

Bradon^{'} s age is : 24

Micheal^{'} s age is : 72

솔루션 단계

Translate the problem into an equation:

3 x - 18 = 9 (x - 18)

x

해결 대상

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

age 찾다

Bradon^{'} s age is : 24

Micheal^{'} s age is : 72