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December 22, 2014

December 22, 2014

Posted by **plz help** on Sunday, April 22, 2007 at 8:39pm.

Let S be SylVia's current age. Let A be Alex's current age. You have two equations to be solved simultaneously.

S-4 = (2/3)(A-4)

S+4 = (4/5)(A+4)

Subtract the fist equation from the second to eliminate s as a variable.

8 = (2/15)A + 16/5 + 8/3 = (2/15)A + 88/15

Continue the solution yourself

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