Chapter SH, Problem 5.7EP

To determine

Find theaverage number of shoes sold by each worker.

Answer to Problem 5.7EP

Theaverage number of shoes sold by each worker is $11$ .

Explanation of Solution

Given:

The number of shoes sold by a store is modeled by $-s^2+12s$ , where $s$ is the number of employees.

Calculation:

The model $n\left(s\right)=-s^2+12s$ represents thenumber ofshoes sold by a store.

Substitute the value of $s=1$ in the given model.

  $\begin{array}{l}\Rightarrow n\left(1\right)=-1^2+12\cdot 1\\ =-1+12\\ =11\end{array}$

Hence theaverage number of shoes sold by each workeris $11$ .