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Mathematics, 27.10.2021 14:00 amusgrave9175
Customers of a phone company can choose between to service plans for long-distance calls. The first plan has a $20 monthly fee and charges an additional $.11 for each minute of calls. The second plan has a $15 monthly fee and charges an additional $.15 for each minute of calls. For how many minutes of calls with the cost of the two plans be equal
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