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 575034: the average of four numbers is 98 if three of the numbers are 86 87 and 91 what is the fourth number
Answer by ikdeep(226) About Me  (Show Source):
You can put this solution on YOUR website!
fourth number = 128
You can see step by step solution from the below URL
http://www.algebraden.com/solved-problems/find-fourth-number/13.htm