Chapter 2.3, Problem 77E

Revenue A community fitness center has a pool and a weight room. The admission prices (in dollars) for residents and non- residents are given by the matrix

$P=\left[\begin{array}{c}4.50\\ 5.00\end{array}\right]\begin{array}{c}\text{Residents}\\ \text{Nonresidents}\text{.}\end{array}$

The average daily numbers of customers for the fitness center are given by the matrix

$\begin{array}{l}\text{Residents}\text{Nonresidents}\\ A=\left[\begin{array}{c}90\\ 78\end{array}\begin{array}{c}63\\ 59\end{array}\right]\begin{array}{c}\text{Pool}\\ \text{Weight}\text{room}\end{array}\end{array}$

(a) Compute AP.

(b) What is the average amount of money taken in by the pool each day?