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 - 1-9 Patterns, Equations, and Graphs - Practice and Problem-Solving Exercises - Page 65: 30


a) 46 hours b) h increases by 1.5, s increases by 1 c) 5

Work Step by Step

4 songs require 6 hours. 9 songs means 5 more rows in the table. With each new row, h increases by 1.5 Therefore: $ 6\times1.5^{5}=45.56 \approx 46$ hours
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