Mathematics, 02.11.2019 05:31, borsha255

For a long-distance person-to-person telephone call, a telephone company charges $ 0.21 for the first minute, $ 0.17 for each additional minute, and a $ 1.59 service charge. if the cost of a call is $ 2.31 comma how long did the person talk?

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For a long-distance person-to-person telephone call, a telephone company charges $ 0.21 for the firs...