SOLUTION: The mean of four numbers is 83. If three of the numbers 82, 75, and 85, what is the fourth number?

Algebra ->  Average -> SOLUTION: The mean of four numbers is 83. If three of the numbers 82, 75, and 85, what is the fourth number?      Log On


   



Question 353567: The mean of four numbers is 83. If three of the numbers 82, 75, and 85, what is the fourth number?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%2882%2B75%2B85%2BX%29%2F4=84
242%2BX=336
Now solve for X.