Khan/khan-exercises — Issue #15663: Number line 3 - head phones
Author: KhanBugz
Created: 2012-03-07 20:11:12+00:00
State: open
Labels: ie8, other, xp

Reporter: angelparente2@gmail.com

my head phones dont have any sound what should I do?

[number_line_3.html?seed=20&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/number_line_3.html?seed=20&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/number_line_3.html?seed=20&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%221%5C%22%22%2C14%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22%2B1%5C%22%22%2C19%5D%5D)

["1","+1"]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322)

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