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

$\$220$#### 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$C=8.50(20)+50 =\$220$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.