Algebra 1: Common Core (15th Edition)

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

Chapter 1 - Foundations for Algebra - 1-1 Variables and Expressions - Practice and Problem-Solving Exercises: 25

Answer

9n + 5

Work Step by Step

Because you are paying 9 dollars an hour to rent a bike and a 5 dollar rental fee for the helmet, you must first multiply 9 by the number of hours you rented the bicycle. In this problem the number of hours you rented the bicycle is represented by the variable n. So the equation would look like 9n. Lastly, you want to add 5 to your equation because you are still paying a rental fee. So the new equation is: 9n + 5.
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