Answer
$t=\frac{A}{pr}-\frac{1}{r}$
Work Step by Step
$A=p+prt\\A-p=prt\\t=\frac{A-p}{pr}=\frac{A}{pr}-\frac{p}{pr}=\frac{A}{pr}-\frac{1}{r}$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 2 - Cumulative Review Exercises - Page 176: 10
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