SOLUTION: Ana is 23, and james is 15. How many years ago was ana 3 times as old as james?

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Question 1109495: Ana is 23, and james is 15. How many years ago was ana 3 times as old as james?
Answer by ikleyn(52803)   (Show Source):
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23 - x = 3*(15-x) 23 - x = 45 - 3x 3x - x = 45 - 23 2x = 22 ====> x = = 11. Answer. 11 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
in this site.

Read them and become an expert in solving age problems.

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    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

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