Problem:
The eighth grade class at Lincoln Middle School has students. Each student takes a math class or a foreign language class or both. There are eighth graders taking a math class, and there are eight graders taking a foreign language class. How many eight graders take only a math class and not a foreign language class?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
The number of kids that are taking both classes is . Subtracting this from the number of kids taking a math class will give us the number of kids taking only a math class. The desired number is .
Thus, the correct answer is .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions