Answer
$$t = \frac{S - P}{Pr}$$
Work Step by Step
To solve the equation for $t$, we must isolate $t$.
We first subtract $P$ from each side:
$$S - P = Prt$$
We can then divide by both $P$ and $r$ together to get:
$$t = \frac{S - P}{Pr}$$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 2 - Section 2.4 - Formulas and Percents - Exercise Set - Page 152: 22
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