Khan/khan-exercises — Issue #5975: Solving for a variable - This problem has an incorrect answer
Author: KhanBugz
Created: 2011-11-10 21:28:31+00:00
State: open
Labels: chrome, win7

The correct answer as stated in the solution is:

k = 6l+2
-----
4l+5m+9

But that is not any of the options and it shows as incorrect when I answer "none of the above". Just thought you'd like to know.

[solving_for_a_variable.html?seed=91&problem=ABCD_EF](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/solving_for_a_variable.html?seed=91&problem=ABCD_EF&debug)

["k= \\dfrac{6l + 2}{4l + 5m + 13}"]

Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.106 Safari/535.2

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