87 cities were surveyed to determine sports teams. 25 had baseball, 20 had rugby, 16 had basketball, 12 had baseball and rugby, 10 had baseball and basketball, 8 had rugby and basketball. 5 had all three. Let A = baseball, B = rugby, C = basketball. How many had only a baseball team? ... I IV II V VII VI III C B VIII
87 cities were surveyed to determine sports teams. 25 had baseball, 20 had rugby, 16 had basketball, 12 had baseball and rugby, 10 had baseball and basketball, 8 had rugby and basketball. 5 had all three. Let A = baseball, B = rugby, C = basketball. How many had only a baseball team? ... I IV II V VII VI III C B VIII
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:87 cities were surveyed to determine sports teams. 25 had baseball, 20
had rugby, 16 had basketball, 12 had baseball and rugby, 10 had baseball
and basketball, 8 had rugby and basketball. 5 had all three.
Let A = baseball, B = rugby, C = basketball.
How many had only a baseball team?
G
I
IV
II
V
VII
VI
III
с
B
VIII
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