Precalculus (6th Edition)

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


$P=137$ 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 $17=120-P$ $P=120-17$ $P=103$
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