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For a long-distance person-to-person telephone call, a telephone company charges $0.29 for the first minute, $0.19 for each additional minute, and a $1.12 service
For a long-distance person-to-person telephone call, a telephone company charges $0.29 for the first minute, $0.19 for each additional minute, and a $1.12 service charge. If the cost of a call is $1.79, how long did the person talk?
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