Khan/khan-exercises — Issue #7315: Algebra challenge - wrong answer!
Author: KhanBugz
Created: 2011-11-30 00:16:26+00:00
State: open
Labels: lion, safari, wrong-or-unclear

Reporter: emmafoley130@gmail.com

while solving an algebra problem, i noticed that it states ''twenty years ago, Nadia was 3 times older then Stephanie. How old is she now?'' if you do not find the error in this problem, you should not be creating an esteemed math website, which nibillionous people may use. I personally have an IQ of 176, and I admit many people can not find the error in this problem, but hopefully you figure it out. Until then I will be especially cautious in the use of this website. Thank you for your time.

[algebra_challenge.html?seed=54&problem=51 (expressions_with_unknown_variables_2)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=54&problem=51&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=54&problem=51&debug&activity=%5B%5D)

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