Mathematics, 07.03.2021 17:00 challenggirl
Customers of a phone company can choose between two service plans for long distance calls. The fist plan has a $29 monthly fee and charges an additional $0.09 for each minute of calls. The second plan has a $9 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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Customers of a phone company can choose between two service plans for long distance calls. The fist...
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