Question
80 cities were surveyed to determine sports teams,21 had soccer, 18 had football, 16 had basketball, 9 had soccer and football, 9 had soccer and
80 cities were surveyed to determine sports teams,21 had soccer, 18 had football, 16 had basketball, 9 had soccer and football, 9 had soccer and basketball, 8 had football and basketball. 3 had all three.
How many had only a football team?
How many had soccer andfootball, but not basketball?
How many had soccer or football? How many had soccer or football, but not basketball? How many had exactly two teams?
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Why Knot An Introduction To The Mathematical Theory Of Knots With Tangle
Authors: Colin Adams
1st Edition
0470413492, 978-0470413494
