Answer
45 children
Work Step by Step
$\frac{9}{4}$=$\frac{x}{20}$
4x=9(20)
4x=180
x=45
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapters 1-6 - Cumulative Review Exercises - Page 475: 49
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