A survey of 400 school empl yielded the following information: 295 were instructors, 215 were full-time faculty, and 170 ofthe instructors were full-time faculty. How many of the 400 surveyed school employees were instructors or were full-time faculty?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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A survey of 400 school empl yielded the following information: 295 were instructors, 215 were full-time faculty, and 170 ofthe instructors were full-time faculty. How many of the 400 surveyed school employees were instructors or were full-time faculty?

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