Answer
15 years
Work Step by Step
Grow population from 400 to 1000
6.2% growth rate
$1000=400*1.062^x$
$1000/400 =400*1.062^x/400$
$2.5 =1.062^x$
$ln 2.5 = x* ln 1.062$
$ln 2.5/ln 1.062 = x*ln 1.062/ln 1.062$
$.91629/.06015 = x$
$15.232 =x$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 9 - Test - Page 599: 32
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