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Mathematics 11 Online
OpenStudy (anonymous):

permutations: point b is 4 blocks east and 5 blocks north of point a. point c is 7 blocks north and 4 blocks east of point b. how many paths are there from a-c if u only travel north and east?

OpenStudy (agent0smith):

Not really sure on this one...seems kinda vague, if you have to go through B i guess it's like this... |dw:1367995196053:dw|

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