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October 31, 2014

October 31, 2014

Posted by **sunil** on Saturday, January 5, 2013 at 2:40pm.

containing 30 rows if the first row has 14 seats and each row after that has 2 more seats than the previous row

- math -
**drwls**, Saturday, January 5, 2013 at 3:07pm14 + 16 + ... 70 + 72

Avg. number per row = (14+72)/2 = 43

Totsl = 43*30 = 1290.

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