Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 1 - Section 1.3 - Operations on Real Numbers and Order of Operations - Exercise Set - Page 28: 97a


The completed table is:

Work Step by Step

The algebraic expression that is to be used for completing the table is $$\dfrac{100x+5000}{x}$$ In this case, $x$ is equal to $10$, $100$ and $1000$ Substitute each value of $x$ into the expression and evaluate to complete the table: $x=10$ Cost per Bookshelf $=\dfrac{100(10)+5000}{10}=600$ dollars $x=100$ Cost per Bookshelf $=\dfrac{100(100)+5000}{100}=150$ dollars $x=1000$ Cost per Bookshelf $=\dfrac{100(1000)+5000}{1000}=105$ dollars The table is shown below:
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