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 - Practice and Problem-Solving Exercises: 34

Answer

$$(−\infty,−1]\ or \ (25,\infty)$$

Work Step by Step

12h−3≥15h⟶ subtract 12h from each side 12h−3−12h≥15h−12h⟶ subtract −3≥3h⟶ divide each side by 3 −3÷3≥3h÷3⟶ divide −1≥h OR 5>−0.2h+10⟶ subtract 10 from each side 5−10>−0.2h+10−10⟶ subtract −5>−0.2h⟶ divide each side by -0.2; reverse the inequality sign −5÷−0.2
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