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 - 3.5 Slope - 3.5 Exercise Set: 20

Answer

$\$10$ per year

Work Step by Step

In the year 2009, the median national daily private room rate among nursing homes was $\$220$. In 2011, the median national daily private room rate among nursing homes was $\$240$. To find the rate of change in the daily cost of private rooms, use: rate of change = $\dfrac{240-220}{2011-2009}=\dfrac{20}{2}=10$ dollars per year Thus, the rate of change in the median national daily private room rate among nursing homes is $\$10$ per year.
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