Posted by michele on Thursday, April 21, 2011 at 3:23pm.
In how many ways can 15 stduents be seated in a row such that the 2 most talkative children never sit together?
answer choose are
a. 14!,14!
b. 15,14!
c.14!
d. 14!13
e. 15!

math  Mgraph, Thursday, April 21, 2011 at 3:44pm
d.
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