Algebra 1: Common Core (15th Edition)

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

Chapter 3 - Solving Inequalities - 3-6 Compound Inequalities - Lesson Check - Page 204: 3

Answer

Your score on the next test must be between 85 and 100, inclusive.

Work Step by Step

Write a compound inequality $85 \leq\frac{83+87+x}{3} \leq 90$ $255 \leq 170+x\leq 270$ Subtract 170 from each part. $85 \leq x \leq 100$ Your score on the next test must be between 85 and 100, inclusive.
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