Algebra 2 (1st Edition)

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

Chapter 1, Equations and Inequalities - Mixed Review of Problem Solving - Lessons 1.1-1.4 - Page 33,: 1b



Work Step by Step

From part (a), we have Total cost = (Cost/hour) (Driven Hours)+ Annual Fee This gives: Total cost ; $C=8.50t+50$ Here, $t$ is in hours and $C$ is in dollars Now, plugging in $t=20$, we get $C=8.50(20)+50 =\$220$
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