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Mathematics, 31.07.2019 21:20 lexibyrd120

Customers of a phone company can choose between two service plans for long distance calls. the first plan has a monthly fee $17 and charges an additional $0.12 for each minute of calls. the second plan has a monthly fee $9 and charges an additional $0.17for each minute of calls. for how many minutes of calls will the costs of the two plans be equal?

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