Answer
a. $C=1000+400(d)$
b. 3000 dollars
c. 6 days
Work Step by Step
a. $C=1000+400(d)$
b. $d=5$
$C=1000+400(5)$
$C=1000+2000$
$C=3000$
c. $C=3500$
$3500=1000+400(d)$
$3500-1000=400(d)$
$2500=400(d)$
$2500\div400=d$
$d=6.25$
$d=6$
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 12: 30
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