Answer
$411.8$
Work Step by Step
After a 42% decrease, we find that the number of items you have will be:
$N_1=N_0(1-r)=500(1-0.42)=290$
After a 42% increase, we find that the number of items you have will be:
$N=N_1(1+r)=290(1+0.42)=411.8$
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 4 - Exponential Functions - Review Exercises and Problems for Chapter Four - Page 176: 6
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