Answer
27
Work Step by Step
The number of people who "Studied in school" is 18, and the number of people who "Trained for a job" is 9. The total number of people is 18 + 9 = 27.
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 1 - Whole Numbers - 1.9 Reading Pictographs, Bar Graphs and Line Graphs - 1.9 Exercises - Page 87: 16
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