if the average of 80, 95, 100, 75 and n is 85, what is n?

Answer 1

Average = mean = Σx/n

X= value of scores and n = number of scores.

I am assuming that here you are using n merely as another score.

85 = (80+95+100+75+n)/6

Solve for n.

Answer 2

85 = (80+95+100+75+n)/5