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Mathematics 7 Online
OpenStudy (allieeslabae):

HELP?!

OpenStudy (allieeslabae):

OpenStudy (supercalifragalisticexspeaalli):

i wanna say it good

OpenStudy (mjdennis):

28 - I can't help unless I spend an hour relearning this, sorry 29 - I think you are incorrect, since question asks for the number of different orders. (In other words, you have to count both "Andy then Bob" and "Bob then Andy" 30 - Correct

OpenStudy (allieeslabae):

lol thanks @mjdennis

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