12345678954
12345678954
02.08.2019 • 
Mathematics

Customers of a phone company can choose between two service plans for long distance calls. the first plan has no monthly fee but charges $ 0.17 for each minute of calls. the second plan has an $ 18 monthly fee and charges an additional $ 0.12 for each minute of calls. for how many minutes of calls will the costs of the two plans be equal?

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