Khan/khan-exercises — Issue #7910: Algebra challenge - algebra challenge
Author: KhanBugz
Created: 2011-12-06 16:57:03+00:00
State: open
Labels: firefox, hard, xp

[algebra_challenge.html?seed=115&problem=yearly-percentages-2 (percentage_word_problems_2)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=115&problem=yearly-percentages-2&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=115&problem=yearly-percentages-2&debug&activity=%5B%5D)

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