Algebra 1: Common Core (15th Edition)

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

Chapter 2 - Solving Equations - 2-2 Solving Two-Step Equations - Practice and Problem-Solving Exercises - Page 92: 56


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Work Step by Step

This problem may look hard, but it is really just what we have been doing already! Our equation is: $0.09x -5 = 365$. The 5 is the one time fee. The 0.09 is the rate (or derivative). The 365 is the total earned. First, we should add 5 to both sides. $0.09x = 370$ Then, we should divide both sides by 0.09. $x = 4111$ WAIT - remember your units! The unit is downloads
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