Khan/khan-exercises — Issue #6624: Pre-algebra challenge - i'm frustrated
Author: KhanBugz
Created: 2011-11-18 14:34:49+00:00
State: open
Labels: hard, safari, snowleo

[pre-algebra_challenge.html?seed=187&problem=english (units)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=187&problem=english&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=187&problem=english&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%2211404%5C%22%22%2C10%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2211405%5C%22%22%2C5%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22684288%5C%22%22%2C54%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2270000%5C%22%22%2C9%5D%2C%5B%22hint-activity%22%2C%220%22%2C8%5D%2C%5B%22hint-activity%22%2C%220%22%2C58%5D%5D)

["11404","11405","11405","684288","70000"]

Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_6; en-us) AppleWebKit/533.19.4 (KHTML, like Gecko) Version/5.0.3 Safari/533.19.4

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