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?

Math 
Jamie,
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 
Math 
Writeacher,
Melody/Jamie/Natalie/James ~
Playing the nameswitching game on this website is a good way to get yourself banned!