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Phổ biến Word Problems >

Kim is 6 years more than twice Timothy’s age. 2 years ago, Kim was three times as old as Timothy. How old was Kim 2 years ago?

Lời Giải

K im i s 6 ye a rs m ore t han tw i ce T im o t h y ’ s a g e . 2 ye a rs a g o, K im w a s t h ree t im es a s o l d a s T im o t h y . Ho w o l d w a s K im 2 ye a rs a g o ?

Lời Giải

Ki m^{'} s age 2 years ago : 24

Các bước giải pháp

Translate the problem into an equation:

6 + 2 x - 2 = 3 (x - 2)

Giải

x, 6 + 2 x - 2 = 3 (x - 2) : x = 10

Tìm Kim's age 2 years ago:

24

Ki m^{'} s age 2 years ago : 24

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