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OpenStudy (anonymous):
help
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OpenStudy (dumbcow):
so start with 9 then add 2 each time 9,11,13,15,17 ... \[A_n = A_{n-1} + 2\] or \[A_n = 9 + 2(n-1)\] plug in n=12 to find num seats in 12th row
OpenStudy (dumbcow):
yep
OpenStudy (anonymous):
jamie go to the other question you had up i have it there
OpenStudy (dumbcow):
haha really you dont even recognize the answer right in front of you
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