The Last Math Exam
score 
frequency 
76
80
84
88
92
98 
4
x
2
6
y
1 

The table above represents scores for the last math exam. If the mean of the class was exactly 87, determine possible solutions for x and y. Explain your solution.
How many solutions exist? Why?

Related External Resources 
Mr. E.Z. Grader
This problem asks the user to find the missing grade on a test that will produce a specific average.
Submit your idea for an investigation to InterMath.
