November 29, 2015

Homework Help: Algebra 1

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

Suppose students in your school arrive in groups each morning. You are the first to arrive, and you are alone, but still considered a group (consisiting of one person). The second group has two more people than the first group. The third group has two more people than the second group. If 576 students come to school in this day, how many groups arrived at school, assuming they all meet the requirment of having two more members than the group before them?
I could write it out the long way, but can someone show me a short cut, or pattern?

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