Posted by ronie on Thursday, December 2, 2010 at 9:10am.
NOW:
Mario --- x
Kristyn --- x-4
3years from now:
Mario ---- x+3
Kristyn--- x-1
"Three years from now, she will be 2/3 Mario's age"
----> (x-1) = (2/3)(x+3)
3x-3 = 2x+6
x=0
So now Mario is 9 and Krystyn is 5
check out both conditions stated, it works
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