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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.



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