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 - 3.4 Rates - 3.4 Exercise Set - Page 185: 2



Work Step by Step

The word "per" means division. Examples: 60 km per hour means $\dfrac{60\text{ km}}{1\text{ hr}}$ 20 miles per gallon means $\dfrac{20\text{ mi}}{1\text{ gallon}}$
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