Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.9 - Linear Inequalities and Absolute Value Inequalities - Exercise Set - Page 140: 135

Answer

makes sense.

Work Step by Step

We can solve the inequality and see if the solutions fit the given conditions. We have $|x-20|\leq5$, $-5\leq x-20 \leq 5$ and $15\leq x \leq 25$. We can see that the solutions agree with the given conditions. Thus, the statement makes sense.
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