Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 4 - An Introduction to Functions - Common Core Cumulative Standards Review - Selected Response - Page 290: 22

Answer

Linsey and Juanita live 30 miles away from each other. The first step is to convert the 2.5in into an improper fraction that is expressed in eighths ( $\frac{x}{8} $ ). This can be done by multiplying the 2.5 to the 8 and thus getting a value of 20. This 20 is representative of how many eighths of an inch are in 2.5 inches. This can also be written as $ \frac{20}{8} $. For every eighth of an inch, according to the scale, the distance is 1.5 miles. Multiplying 20 by 1.5 will give the distance between the two friends which comes to 30. Thus, they are 30 miles apart.

Work Step by Step

Explanation and steps above.
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