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August 27, 2014

Homework Help: Gr.11 Math

Posted by Nancy on Monday, January 5, 2009 at 11:43pm.

A large company has a phone tree to contact its employees in case of an emergency factory shutdown. Each of the five senior managers calls three eployees, who calls three other employees and so on. If the tree consists of seven levels, how many employees does the company have?

Could someone explain to me how to solve this? Which geometric formula would I have to use?

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