Answer
18 weeks
Work Step by Step
$t = 1/c * ln (A/(A-N))$
$c=.07$
$N =150$
$A =215$
$t = 1/c * ln (A/(A-N))$
$t = 1/.07*ln (210/(210-150))$
$t = 14.2857 *ln(210/60)$
$t =14.2857 *ln 3.5$
$t=14.2857 *1.2527$
$t=17.89$
18 weeks
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 9 - Section 9.8 - Exponential and Logarithmic Equations and Problem Solving - Exercise Set - Page 591: 61
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