Khan/khan-exercises — Issue #15846: Pre-algebra challenge - pre-algebra
Author: KhanBugz
Created: 2012-03-09 20:12:52+00:00
State: open
Labels: firefox, hard, snowleo

[pre-algebra_challenge.html?seed=57&problem=21 (multiplying_fractions)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=57&problem=21&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=57&problem=21&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.6) Gecko/20100625 Firefox/3.6.6

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