Use a Graphing Calculator and the Method of Matrix Inverses $\$ 10$

question 206

Multiple Choice

Use a graphing calculator and the method of matrix inverses to Give five decimal places, if necessary.
-A basketball fieldhouse seats 15,000 . Courtside seats sell for $\$ 10$ , endzone for $\$ 6$ , and balcony for $\$$ 5. Total revenue for a sell-out is $\$ 92,000$ . If half the courtside and balcony and all the endzone seats are sold, the total revenue is $\$ 52,000$ . How many of each type of seat are there in the fieldhouse?

• A) 4,000 courtside; 3,000 endzone; 8,000 balcony
• B) 2,000 courtside; 5,000 endzone; 8,000 balcony
• C) 3,000 courtside; 2,000 endzone; 10,000 balcony
• D) 3,200 courtside; 1,800 endzone; 10,000 balcony

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Definitions:

Secondhand

Items that have been previously owned and used by someone else before being sold or given to another person.

Digital Deal

An agreement or transaction that takes place through electronic means, often involving the exchange of digital goods or services.

Groupon

A website that offers users discounted gift certificates usable at local or national companies, focusing on group buying power to obtain deals.

Web App

A web application or web app is a client-server software application in which the client runs in a web browser.