Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 3 - Review Exercises - Page 513: 49

Answer

about $9$ weeks

Work Step by Step

Plug the values $ c=0.06,$ $ A=12,$ $ N=5$ into the given formula and calculate t $ t=\displaystyle \frac{1}{0.06}\ln(\frac{12}{12-5})=$8.983275$\approx 9$ It will take about 9 weeks.
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