College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.9 - Modeling with Equations - P.9 Exercises - Page 70: 17


$d/55$ hours

Work Step by Step

We know from physics that $speed=distance/time$ or $s=d/t$. Solving for time, we get $t=d/s$. Therefore: $t=d/s=d/55$ hours
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