For a long -distance person -to-person telephone call, a telephone company charges $0.87 for the first minute,
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For a long -distance person -to-person telephone call, a telephone company charges $0.87 for the first minute, $0.68 for each additional minute, and a $2.83 service charge. If the cost of a call is $13.22, how long did the person talk?
Related Book For
College Mathematics for Business Economics Life Sciences and Social Sciences
ISBN: 978-0321614001
12th edition
Authors: Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen
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