SOLUTION: At College C there are from 2 to 4 introductory philosophy classes each semister,and each of these classes has from 20 to 30 students enrolled.If one semister 10 percent of the stu

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Question 981040: At College C there are from 2 to 4 introductory philosophy classes each semister,and each of these classes has from 20 to 30 students enrolled.If one semister 10 percent of the students enrolled in introductory philoshpy failed,what is the greatest possible number who failed?
a. 16
b. 13
c. 12
d.10
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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The greatest possible number of classes is 4, the greatest possible number in each class is 30, greatest possible number of students is 4 x 30=120.
10% of 120 is 12, so the greatest possible number who failed is (c. 12).