User Manual

Name ___________________________
Date ___________________________
18 TI-30XS MultiView: A Guide For Teachers © 2006 TEXAS INSTRUMENTS INCORPORATED
Problem
A blockbuster movie is opening this weekend. On the news, you hear that tickets will be
$11.50 per person. The reporter says that a family of two will spend $23 and a family of three
will spend $34.50. They show a graphic with this information in a table format.
The reporter also mentions that the local theater, MultiPlex, has twenty-five screens and
can seat 7,500 people. This blockbuster will open on all screens at the theater. The owners
predict that all seats will be sold out on the first day!
The owners of MultiPlex want to know how much money they can expect to take in at the
ticket office. They would like a general formula so they can quickly find out the amount of
money for any amount of people that buy tickets.
Your job: You have been hired as the accountant for MultiPlex! Congratulations! Your boss
wants a formula that will tell her how much money will be taken in at the box office,
depending on how many people buy tickets.
Procedure
1. Use the table to investigate the amount of money taken in at the ticket office depending
on the number of people going to the movie. Fill in the following table. Write all of your
calculations at each step. Use mental math as much as you can
before
using the
calculator to find the results for the amount of money.
Number of People Amount of Money
1$11.50
2 $23.00
3 $34.50
Number of
People (P)
Calculation Amount of
Money (M)
1 1 x 11.50 $11.50
2 2 x 11.50 $23.00
3 3 x 11.50 $34.50
4
5
6
...
10
...
100
...
1000
...
At the movies