The first advertisement discussed in class states that the salespeople make an average of $1,000 per week. Suppose there are nin
e salespeople. What would the ninth person need to earn for the mean to be $1,000 if the other eight salespeople earned $550, $600, $600, $800, $950, $950, $1,000, and $1,100?
Because of exterior angles theorem, y=39+65, so y=104 x and y are a linear pair, so they add up to 180. x=180-104, x=76 all angles in a triangle add up to 180, so 21+104+z=180. therefore, z=55
