Home

Home | Number Concept | Ratio | Additional Investigations | Final Score


The Final Score


score frequency
76 4
80 x
84 2
88 6
92 y
98 1

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

How many solutions exist? Why?



Submit your idea for an investigation to InterMath.