A pay phone at a shopping mall charges $0.68 for the first four minutes and $0.21 for

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A pay phone at a shopping mall charges $0.68 for the first four minutes and $0.21 for each extra minute (or part of a minute).
a. Find the cost of a 10-minute call on this phone.
b. Find the cost of a 13.44-minute call on this phone.

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Financial Algebra advanced algebra with financial applications

ISBN: 978-0538449670

1st edition

Authors: Robert K. Gerver

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Question Posted: Apr 14, 2016 05:09 AM

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A pay phone at a shopping mall charges $0.68 for the first four minutes and $0.21 for

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Financial Algebra advanced algebra with financial applications

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