SOLUTION: Customers of a phone company can choose between two service plans for long distance calls. The first plan has no monthly fee but charges $0.20 for each minute of calls. The second

Question 1113372: Customers of a phone company can choose between two service plans for long distance calls. The first plan has no monthly fee but charges $0.20 for each minute of calls. The second plan has a $20 monthly fee and charges an additional $0.15 for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of minutes of calls

For 400 minutes of calls the plans are equal

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