Khan/khan-exercises — Issue #4153: Counting 2 - Correct answer is not accepted
Author: KhanBugz
Created: 2011-10-11 17:46:06+00:00
State: open
Labels: firefox, win7

Reporter: bschwengel@gmail.com

Why is 110 (11 * 10) NOT the accepted answer?

There are 11 people in a room.

If everyone shakes everyone else's hand exactly once, how many handshakes occurred?

Given 11 people, each person shakes the hands of 10 other people.

[counting_2.html?seed=173&problem=handshakes](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/counting_2.html?seed=173&problem=handshakes)

["110","110","110"]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1

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