Algebra 2 (1st Edition)

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

Chapter 1, Equations and Inequalities - 1.5 Use Problem Solving Strategies and Models - 1.5 Exercises - Problem Solving - Page 38: 26


$5.5$ feet per minute

Work Step by Step

Given, relevant information: 165 feet traveled in 30 minutes. The formula for the speed of travel is $r=\frac{d}{t}$. The distance $d$ is 165 feet, and the time $t$ spent traveling is 30 minutes. With substitution of these known variables, the average speed will be $\frac{165}{30}$ feet per minute. The above fraction, when simplified, is equivalent to $\frac{33}{6}$, and $33\div6=5.5$, so the average speed will be exactly 5.5 feet per minute.
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