Mathematics, 15.07.2019 06:30 rasv3491

Customers of a phone company can chose between two service plans long distance calls. the first plan has $15 monthly fee and charges an additional $0.17 for each minute of calls. the second plan had $23 monthly fee and charges an additional $0.13 for each minute of calls. for how many minutes of calls will costs of the two plans be equal?

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