Mathematics
amberbaker10
2016-04-10 23:23:06
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?
ANSWERS
erikacabrera106
2016-04-11 06:14:51

There are 4 students who have piercings both on their ear and their noses.

ADD ANSWER