Mathematics, 01.10.2019 13:00 prettykevahk
Customers of a phone company can choose between two service plans for long distance calls. the first plan has a $25 monthly fee and charges an additional $0.14 for each minute of calls. the second plan has no monthly fee but charges $0.18 for each minute of calls. for how many minutes of calls will the costs of the two plans be equal?
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