Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-8 Unions and Intersections of Sets - Got It? - Page 217: 4

Answer

10

Work Step by Step

Let A = honor students and B = officers By the given statements, we have: $A=20$ $A \cap B =9$ The number of students who are only honors students: $20 - 9 =11$ The total number of students is 30. Subtract to find the number of commuters who are officers but not honor students: $30-20=10$
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