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Mathematics, 30.11.2021 19:50 nae878

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 a $30 monthly fee and charges an additional $0.13 for each minute of calls. For how many minutes of calls will the costs
of the two plans be equal?

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