Khan/khan-exercises — Issue #12401: Pre-algebra challenge - wrong answer
Author: KhanBugz
Created: 2012-01-29 18:22:17+00:00
State: open
Labels: chrome, wrong-or-unclear, xp

i have the right answer but the computer says its wrong

[pre-algebra_challenge.html?seed=60&problem=11 (multiplying_fractions)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=60&problem=11&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=60&problem=11&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%2215%5C%22%22%2C274%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-15%5C%22%22%2C5%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-15%5C%22%22%2C528%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-540%2F36%5C%22%22%2C20%5D%5D)

["15","-15","-15","-540/36"]

Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7

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