If an associate’s average sale to 5 customers is $125, and her sales to four of the customers are $200, $150, $125, and $75, what is the associate’s sale to the fifth customer?

Question

anonymous · Answer

$125

anonymous · Answer

First, write an equation to represent the problem. You will have:

125 = (200 + 150 + 125 + 75 + x) / 5

x being the fifth unknown sale. You divide it all by 5 because it is stated that the average sale is $125. Solve for x. The answer is not $125 by the way.