Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 2 - Multiplying and Dividing Fractions - 2.1 Basics of Fractions - 2.1 Exercises - Page 117: 19



Work Step by Step

First, you must subtract the number of rooms reserved for nonsmokers from the total number of rooms. $520-217=303$, so 303 rooms are for smokers out of the 520 rooms total. That means that the numerator--the number of rooms for smokers--is 303, and the denominator--the total number of rooms--is 520. The final answer is $\frac{303}{520}$.
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