mundellk19 mundellk19
  • 14-05-2023
  • Mathematics
contestada

Customers of a phone company can choose between two service plans for long distance calls. The first plan has an $11 monthly fee and charges an additional $.13 for each minute of calls. The second plan has $24 monthly fee and charges an additional nine cents for each minute of calls. For how Many minutes of calls will the cost of the two plants be equal?

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