Khan/khan-exercises — Issue #7875: Midpoint formula - cant input my answer
Author: KhanBugz
Created: 2011-12-06 01:21:11+00:00
State: open
Labels: ie8, win7, wrong-or-unclear

to find the midpoint i added 4 + 4.5 and got 8.5 i then divided by 2 and got 4.25 the computer says im wrong please advise

[midpoint_formula.html?seed=179&problem=find-point](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/midpoint_formula.html?seed=179&problem=find-point&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/midpoint_formula.html?seed=179&problem=find-point&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22-0.5%5C%22%2C%5C%224.2%5C%22%5D%22%2C26%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-0.5%5C%22%2C%5C%224.25%5C%22%5D%22%2C5%5D%5D)

[["-0.5","4.2"],["-0.5","4.25"]]

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