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December 22, 2014

December 22, 2014

Posted by **Elizabeth** on Thursday, April 10, 2008 at 6:23pm.

I could write it out the long way, but can someone show me a short cut, or pattern?

Thanks!

- Algebra 1 -
**tchrwill**, Thursday, April 10, 2008 at 7:14pmBased on your numerical definition of the groups, the groups are 1-3-5-7-9-11-3-13-15-etc.

The sum of any group of "n" odd numbers starting with 1 is n^2.

Since 576 students arrived at the school, the number of groups must be sqrt(576) = 24.

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