Question 1047645
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Let *[tex \Large x] represent the number of Ann's siblings.  Then Andrew has *[tex \Large x\ +\ 2] and Tyson *[tex \Large x\ -\ 1] siblings.


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x\ +\ (x\ +\ 2)\ +\ (x\ -\ 1)\ =\ 7]


Solve for *[tex \Large x], then calculate *[tex \Large x\ +\ 2] and *[tex \Large x\ -\ 1].


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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