SOLUTION: Jill is twice as old as Jim and Jim is 3 years older than ken. The sum of their ages is 61. How old is ken?

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Question 1063963: Jill is twice as old as Jim and Jim is 3 years older than ken. The sum of their ages is 61. How old is ken?
Answer by ikleyn(52781) About Me  (Show Source):
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Jill is twice as old as Jim and Jim is 3 years older than ken. The sum of their ages is 61. How old is ken?
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Ken + Jim   + Jill    = 61,

 K  + (K+3) + 2*(K+3) = 61,  --->

4K + 9 = 61,

4K = 61 - 9 = 52,

K = 52%2F4 = 13.

Answer. Ken is 13 years old. Jim is 16 years, Jill is 32 years.