College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.1 - Linear Equations - 1.1 Assess Your Understanding - Page 92: 93

Answer

$2187$

Work Step by Step

Let $x$ be the number of adult tickets, then $5200-x$ is the number of child tickets, thus our equation will be: $7.5x+4.5\cdot(5200-x)=29961\\7.5x+23400-4.5x=29961\\3x+23400-23400=29961-23400\\3x=6561\\3x/3=6561/3\\x=2187$
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