Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapters 1-6 - Cumulative Review Exercises - Page 473: 49

Answer

45 children

Work Step by Step

$\frac{9}{4}$=$\frac{x}{20}$ 4x=9(20) 4x=180 x=45
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