Answer
They must detail 52 automobiles.
Work Step by Step
Solving the equation, we find:
$$175a=25a+7800\\
150a=7800\\
a=52$$
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 2 - Systems of Linear Equations and Inequalities - 2.2 Solving Systems of Equations Using the Substitution Method - 2.2 Exercises - Page 151: 13
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