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Customers of a phone company can choose between two service plans for long distance calls. The first plan has no monthly fee but charges

Customers of a phone company can choose between two service plans for long distance calls. The first plan has no monthly fee but charges $0.12 for each minute of calls. The second plan has a $20 monthly fee and charges an additional $0.07 for each minute of calls. For how many minutes of calls will the costs of the two plans be equal? minutes 5 ?

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