# A salesperson finds that her sales averages 40 cases per store when she visits 20 stores per week. If she visits an additional store per week, her avg. sales per store decrease by one case. How many stores per week should she visit to maximize her sales?

##### 1 Answer

Oct 13, 2016

#### Explanation:

Let

The maximum profit will occur at the vertex of this function. Hence, we should complete the square to convert to vertex form.

Hopefully this helps!