Answer
$|x-21|\gt1$
Work Step by Step
Let $x$ be the ball's weight. Then the inequality for the accepted weight according to the exercise is: $|x−21|≤1$.
Thus the inequality for the rejected weight is: $|x-21|\gt1$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - 1.7 Solve Absolute Value Equations and Inequalities - 1.7 Exercises - Problem Solving - Page 57: 77
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