SOLUTION: Kylie is now 24 years old and kittie is 12. How many years ago was kylie age thrice the age of kittie?

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Question 1109494: Kylie is now 24 years old and kittie is 12. How many years ago was kylie age thrice the age of kittie?
Answer by ikleyn(52817)   (Show Source):
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24 - x = 3*(12-x) 24 - x = 36 - 3x 3x - x = 36 - 24 2x = 12 ====> x = = 6. Answer. 6 years ago.

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There is a bunch of lessons on age word problems
    - Age problems and their solutions
    - A fresh formulation of a traditional age problem
    - Really intricate age word problem
    - Selected age word problems from the archive
    - Age problems for mental solution
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