SOLUTION: Karen's mother is 11 times as old as Karen. 12 years from now, Karen will be 1/3 as old as her mother. How old is Karen's mother?

SOLUTION: Karen's mother is 11 times as old as Karen. 12 years from now, Karen will be 1/3 as old as her mother. How old is Karen's mother?

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Question 1116883: Karen's mother is 11 times as old as Karen. 12 years from now, Karen will be 1/3 as old as her mother. How old is Karen's mother?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Let

represent Mom's age, and let

represent child's age.

Then the situation now is:

And the situation 12 years from now will be:

Use substitution to solve the 2X2 system of equations.

John

My calculator said it, I believe it, that settles it

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