Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 6 - Section 6.2 - Cardinality - Exercises - Page 417: 54a

Answer

111

Work Step by Step

615 children had caries. Of these, 504 are living in nonurban areas. Therefore $615-504=111$ children living in urban areas had caries.
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