In a party, There are 10 people with white shirts and 8 people with red shirts; 4
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In a party,
- There are 10 people with white shirts and 8 people with red shirts;
- 4 people have black shoes and white shirts;
- 3 people have black shoes and red shirts;
- The total number of people with white or red shirts or black shoes is 21.
How many people have black shoes?
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Related Book For
Introduction To Probability Statistics And Random Processes
ISBN: 9780990637202
1st Edition
Authors: Hossein Pishro-Nik
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