57 cities were surveyed to determine sports teams. 21 had baseball,18 had football, 13 had basketball, 12 had baseball and football, 9 had baseball and basketball, 8 had football and basketball. 5 had all three. How many had only a football team

57 cities were surveyed to determine sports teams. 21 had baseball,18 had football, 13 had basketball, 12 had baseball and football, 9 had baseball and basketball, 8 had football and basketball. 5 had all three. How many had only a football team

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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