SOLUTION: elizabeth is 68 years old and her son is 46 years old how many years ago was he 1/3 as old as she

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Question 1108621: elizabeth is 68 years old and her son is 46 years old how many years ago was he 1/3 as old as she
Found 3 solutions by stanbon, Alan3354, ikleyn:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
elizabeth is 68 years old and her son is 46 years old how many years ago was he 1/3 as old as she
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Let the answer be "x".
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Equation:
46-x = (1/3)(68-x)
138-3x = 68-x
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2x = 70
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x = 35 yrs
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Cheers,
Stan H.
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
The difference is always 22 years.
--> 33 & 11

Answer by ikleyn(52908)   (Show Source): You can put this solution on YOUR website!
.
46 - x = 3*(68-x).


Solve for x.

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    OR
******* 

The difference is 68 - 46 = 22.


Hence, "then" he was 11, she was 33.


46-11 = 35 years ago.


Check.  68 - 33 = 35.   ! Correct !

Solved.



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