Wednesday
September 17, 2014

Homework Help: Math

Posted by Jamese on Sunday, October 21, 2012 at 12:26pm.

A international phone call cost a fixed amount for the first minute and a certain rate per each additional minute. If a 7 minute phone call cost $10 and a $4 call cost &6.40, find the fixed charge and the rate per each additional minute.

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