Answer
$P=\dfrac{At}{(t-A)}$
Work Step by Step
We have $A=\dfrac{Pt}{P+t}$
or, $Pt=A(P+t)$
or, $Pt=AP+At$
or, $Pt-Ap=At$
Hence, $P=\dfrac{At}{(t-A)}$
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 11 - Section 11.2 - Arithmetic Sequences - Exercise Set - Page 842: 92
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