Answer
$a=\frac{-Rs}{R-s}$
Work Step by Step
$R=\frac{as}{a+s}$
$R(a+s)=as$
$Ra+Rs=as$
$Ra-as=-Rs$
$a(R-s)=-Rs$
$a=\frac{-Rs}{R-s}$
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 - Test - Page 146: 50
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