Question 1116883
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Let *[tex \Large x] represent Mom's age, and let *[tex \Large y] represent child's age.


Then the situation now is:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x\ =\ 11y]


And the situation 12 years from now will be:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \frac{1}{3}(x\ +\ 12)\ =\ y\ +\ 12]


Use substitution to solve the 2X2 system of equations. 


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
<img src="http://c0rk.blogs.com/gr0undzer0/darwin-fish.jpg">
*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \  


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