
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?
Determine possible scores for missing math exams.

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?