Question 201528
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Let *[tex \Large x] represent Jorge's age now.


Let *[tex \Large y] represent Maria's age now.


Two years from now, Jorge will be *[tex \Large x + 2] so:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x + 2 = 3y]


Ten years from now, Jorge will be *[tex \Large x + 10] so:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x + 10 = 4y]


Solve the system for *[tex \Large x] and *[tex \Large y].  Use the elimination method beginning with multiplying the first equation by -1.  Then adding the equations will give you Maria's age directly.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
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