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OpenStudy (anonymous):
Customers of a phone company can choose between two service plans for long distance calls. The first plan has an $8 monthly fee and charges an additional $0.14 for each minute of calls. The second plan has a $27 monthly fee and charges an additional $0.09 for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?
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OpenStudy (ranga):
Assume t to be the number of minutes of call. How much will the first plan cost for t minutes of call? How much will the second plan cost for t minutes of call? Equate the two and solve for t.
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