Posted by **Melody** on Friday, January 4, 2013 at 12:38pm.

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

- Math -
**Jamie**, Friday, January 4, 2013 at 12:43pm
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**, Friday, January 4, 2013 at 12:58pm
Melody/Jamie/Natalie/James ~

Playing the name-switching game on this website is a good way to get yourself banned!

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