Question
In a class of 30 students, everyone has either a pierced nose or a pierced ear. The professor asks everyone with a pierced nose to
In a class of30students, everyone has either a pierced nose or a pierced ear. The professor asks everyone with a pierced nose to raise his or her hand.Eighthands go up. Then the professor asked everyone with a pierced ear to do likewise. This time there are27hands raised. How many students have piercings both on their ears and their noses?
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Essentials of Business Analytics
Authors: Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
2nd edition
1305627733, 978-1305861817, 1305861817, 978-0357688960, 978-1305627734
