SOLUTION: A cellular phone company offers a contract for which the cost C, of t minutes of telephoning is given by C=0.25(t-600)+50.95, where it is assumed that t>600 minutes. what times wil
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Question 373882: A cellular phone company offers a contract for which the cost C, of t minutes of telephoning is given by C=0.25(t-600)+50.95, where it is assumed that t>600 minutes. what times will keep costs between $95.20 and $124.95 Answer by robertb(5830) (Show Source):
