Ask Question
8 January, 20:00

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 raise his or her hand. Nine hands go up. Then the professor asked everyone with a pierced ear to do likewise. This time there are 25 hands raised. How many students have piercings both on their ears and their noses?

+5
Answers (1)
  1. 8 January, 23:48
    0
    There are 4 students who have piercings both on their ear and their noses.
Know the Answer?
Not Sure About the Answer?
Find an answer to your 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 raise ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers