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N76 [4]
3 years ago
10

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. Eight 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?
Mathematics
1 answer:
e-lub [12.9K]3 years ago
4 0
There are 4 students who have piercings both on their ear and their noses.

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