Khan/khan-exercises — Issue #11516: Subtracting decimals 0.5 - cavanaugh_tom@hotmail.com
Author: KhanBugz
Created: 2012-01-18 15:11:57+00:00
State: open
Labels: safari, snowleo, wrong-or-unclear

I just did the following subtraction:

39.1-22.1 = 1.70 and it was marked wrong ?

[subtracting_decimals_0.5.html?seed=176&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtracting_decimals_0.5.html?seed=176&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtracting_decimals_0.5.html?seed=176&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%221%20.70%5C%22%22%2C51%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%5D)

["1 .70"]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/534.52.7 (KHTML, like Gecko) Version/5.1.2 Safari/534.52.7

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