Answer
a. 30
b. 60
c. 13
Work Step by Step
a.
$C=10h+20$
$h=1$
$C=10(1)+20$
$C=10+20$
$C=30$
b.
$C=10h+20$
$h=4$
$C=10(4)+20$
$C=40+20$
$C=60$
c.
$C=10h+20$
$C=150$
$150=10h+20$
$130=10h$
$h=13$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
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 - Page 10: 11
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