SOLUTION: The mean of 5 numbers is 90, if the first four numbers are 85,92,89 and 95 what is the 5th number

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Question 1054749: The mean of 5 numbers is 90, if the first four numbers are 85,92,89 and 95 what is the 5th number
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
(85+92+89+95+x)/5 = 90
85+92+89+95+x = 450
Add numbers on left and substract the sum from both side, you will then have just the x on the left and your answer on the right.