Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-1 Inequalities and Their Graphs - Practice and Problem-Solving Exercises - Page 169: 43



Work Step by Step

It is given that the speed of light is 186,000 mi/s. It is also said that "no object can travel faster than the speed of light." Because nothing can travel faster, the speed of an object must be less than or equal to 186,000. Let $x$ be the speed of the object. The speed of the object can travel at less than or equal to 186,000 mi/s. This translates to $x\leq186,000$, which is the inequality for this statement.
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