SOLUTION: The average of four numbers is 98. If three of the numbers are 86, 87, and 91, what is the fourth number? ...

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Question 293629: The average of four numbers is 98. If three of the numbers are 86, 87, and 91, what is the fourth number? ...

Found 2 solutions by Alan3354, richwmiller:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(n + 86 + 87 + 91)/4 = 98
n + 264 = 392
n = 128

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
(86+87+91+x)/4=98
x=128