Answer
$P=137$ or $P=103$
Work Step by Step
$P_d=\mid P-120\mid$
Here, $P_d=17$, we substitute in the equation:
$17=\mid P-120\mid$
We have two possibilities:
$17=P-120$
$P=137$
or
$17=120-P$
$P=120-17$
$P=103$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter R - Review of Basic Concepts - R.2 Real Numbers and Their Properties - R.2 Exercises - Page 21: 90
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