Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.1 Solving Linear Equations - 1.1 Exercises: 26

Answer

a. $C=10+0.20(m)$ b. $C=50 dollars$ c. $m=135 minutes$

Work Step by Step

a. $C=cost$ $C=10+0.20(m)$ b. $m=200$ $C=10+0.20(200)$ $C=10+40$ $C=50$ c. $C=37$ $37=10+0.20(m)$ $37-10=0.20(m)$ $27=0.20(m)$ $27\div0.20=m$ $m=135$
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