Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 3 - Introduction to Graphing - Study Summary - Practice Exercises - Page 223: 7


$\dfrac{4}{9} \text{ meals per minute}$

Work Step by Step

Determine the increase in the number of meals served: $=67−47=20$ Determine the time: $=9:15−8:30=45$ minutes The serving rate can be computed by dividing the number of meals served by the time: Serving Rate = $\dfrac{20 \text{ meals}}{45 \text{ minutes}}=\dfrac{4}{9} \text{ meals per minute}$
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