Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.7 - Linear Inequalities and Problem Solving - Exercise Set: 87

Answer

$x\geq 78.5$

Work Step by Step

$\frac{75+83+85+2x}{5}\geq80 \lt=\gt 243+2x \geq 400 \lt=\gt 2x \geq 157 \lt=\gt x\geq 78.5$
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