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August 29, 2015

Homework Help: quant. methods

Posted by Christina on Thursday, January 13, 2011 at 8:04am.

Kim is deciding between two cell phone plans. Plan A charges a fixed monthly fee of $100 for 1200 minutes and .25 per minute over 1200. Plan B charges a fixed monthly fee of $55 for 1000 minutes and .33 per minute over 1000. At what point of usage would Kim be indifferent between the two plans?

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