Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.5 - Problem Solving and Using Formulas - Exercise Set - Page 68: 47


$10$ minutes

Work Step by Step

Need to find the time duration for the person talk. Number of minutes are = $x$ Thus, as per the statement, we have $0.43+0.32x+2.10=5.73$ or, $0.32x=5.73-2.53$ or, $x=\dfrac{3.2}{0.32}=10$ minutes
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