Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 2 Linear Equations and Functions - 2.8 Graph Linear Inequalities in Two Variables - 2.8 Exercises - Problem Solving - Page 137: 43



Work Step by Step

Let $x$ be the number of minutes of calls made within the US and $y$ be the number of minutes of calls made to Brazil. Then our inequality is: $0.03x+0.06y\leq20$
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