November 29, 2015

Homework Help: math

Posted by Geno on Tuesday, January 20, 2009 at 2:17pm.

Customers of a phone company can choose between two service plans for long distance calls. The first plan has an $18 one-time activation fee and charges 10 cents a minute. The second plan has no activation fee and charges 15 cents a minute. After how many minutes of long distance calls will the costs of the two plans be equal?

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