Khan/khan-exercises — Issue #4438: Algebra challenge - red and orange?
Author: KhanBugz
Created: 2011-10-16 21:48:34+00:00
State: open
Labels: ie8, win7

Reporter: karen.duseau@weymouthschools.org

Difficult to read the problem. and the hints say -7m + red? next hint says -7m + orange? Next hint uses NaN. I think this may be computer generated and it is making some kind of mistake here.

[algebra_challenge.html?seed=189&problem=ABCD_EF (solving_for_a_variable)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=189&problem=ABCD_EF&debug)

["None of the above."]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; BRI/2)

MathJax is loaded, ready, queue length: 0