Answer
$r=\frac{S-P}{Pt}$
Formula for future value
Work Step by Step
$S = P + Prt $
$Prt=S-P$
$r=\frac{S-P}{Pt}$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.7 - Equations - Exercise Set - Page 106: 33
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