Khan/khan-exercises — Issue #6361: Counting 2 - Counting_2 does not accept correct answer
Author: KhanBugz
Created: 2011-11-15 08:45:47+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

Reporter: augustin@colesnic.net

the answer is corect but it does not
accept the correct answer like:
9 people in a room. if everyone shakes everyone else's hand exactly once, how many handshakes occured?
The answer is 72... but it does not accept it. And i used 2 hints for nothing! :(
Please adress this problem!
Keep on doing good job Khan!
Thank you!

[counting_2.html?seed=193&problem=handshakes](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/counting_2.html?seed=193&problem=handshakes&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/counting_2.html?seed=193&problem=handshakes&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%224%5C%22%22%2C33%5D%2C%5B%22incorrect-activity%22%2C%22%5C%228%5C%22%22%2C2%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2216%5C%22%22%2C22%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2218%5C%22%22%2C44%5D%2C%5B%22incorrect-activity%22%2C%22%5C%229%5C%22%22%2C25%5D%2C%5B%22hint-activity%22%2C%220%22%2C49%5D%2C%5B%22incorrect-activity%22%2C%22%5C%228%5C%22%22%2C78%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2272%5C%22%22%2C115%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2234%5C%22%22%2C274%5D%2C%5B%22incorrect-activity%22%2C%22%5C%228%5C%22%22%2C3%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2281%5C%22%22%2C25%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2272%5C%22%22%2C60%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2272%5C%22%22%2C7%5D%5D)

["4","8","16","18","9","8","72","34","8","81","72","72"]

Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.120 Safari/535.2

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