Math
posted by Melody on .
The mean of three test scores is 74. What must a fourth test score be to increase the mean to 78?

The answer is...
Wait, I think I just forgot.
Ohh....
Never mind!
The answer is:
The test scores are 34,56,78,98.
So the fourth test score is 98.
Hope this helped 
Melody/Jamie/Natalie/James ~
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