Khan/khan-exercises — Issue #14975: Pre-algebra challenge - help
Author: KhanBugz
Created: 2012-02-29 17:42:42+00:00
State: open
Labels: leopard, not-showing, safari

I don't know how to do this you need a better video

[pre-algebra_challenge.html?seed=90&problem=english (units)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=90&problem=english&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=90&problem=english&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%220%5C%22%22%2C159%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22360%5C%22%22%2C6%5D%5D)

["0","360","360"]

Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_8; en-us) AppleWebKit/533.21.1 (KHTML, like Gecko) Version/5.0.5 Safari/533.21.1

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