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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?

Solution

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?

Solution

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

Solution steps

Translate the problem into an equation:

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

Solve for

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

Find Kim's age 2 years ago:

24

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

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