SOLUTION: I was kind confuse about " X; mean 91" can you please help? Thanks 4. Write and solve an equation to find the value of x. 99, 86, 76, 95, x; mean 91

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Question 790624: I was kind confuse about " X; mean 91" can you please help? Thanks
4. Write and solve an equation to find the value of x.
99, 86, 76, 95, x; mean 91
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Add up the values, then divide by 5 (since there are 5 data values) to get the mean of 91

(99 + 86 + 76 + 95 + x)/5 = 91

(356 + x)/5 = 91

356 + x = 5*91

356 + x = 455

x = 455 - 356

x = 99