Finding the Number of Each Type of Film

Oct 13, 2025 by wbrum.org 99 views

Introduction

Arthur is a movie enthusiast with a vast collection of DVDs. He has a total of 96 DVDs, each belonging to a different genre. The ratio of comedy films to action films to horror films is 2:7:3. In this article, we will explore how Arthur can organize his collection using mathematical concepts.

Understanding the Ratio

The ratio of comedy films to action films to horror films is 2:7:3. This means that for every 2 comedy films, there are 7 action films and 3 horror films. To find the total number of each type of film, we need to add the parts of the ratio together: 2 + 7 + 3 = 12.

Finding the Number of Each Type of Film

Since the total number of DVDs is 96, we can set up a proportion to find the number of each type of film. Let's say the number of comedy films is 2x, the number of action films is 7x, and the number of horror films is 3x. We can set up the following equation:

2x + 7x + 3x = 96

Combine like terms:

12x = 96

Divide both sides by 12:

x = 8

Now that we know x, we can find the number of each type of film:

Comedy films: 2x = 2(8) = 16
Action films: 7x = 7(8) = 56
Horror films: 3x = 3(8) = 24

Organizing the Collection

Now that we know the number of each type of film, we can organize Arthur's collection. Here's a possible way to do it:

Comedy films: 16 DVDs, arranged in alphabetical order by title
Action films: 56 DVDs, arranged in alphabetical order by title
Horror films: 24 DVDs, arranged in alphabetical order by title

Conclusion

In this article, we used mathematical concepts to help Arthur organize his DVD collection. By understanding the ratio of comedy films to action films to horror films, we were able to find the number of each type of film and organize the collection in a logical and efficient way.

Mathematical Concepts Used

Ratios and proportions
Algebraic equations
Solving for x

Real-World Applications

This problem can be applied to real-world situations, such as:

Organizing a music collection
Categorizing books in a library
Managing a inventory of products in a store

Further Exploration

What if the ratio of comedy films to action films to horror films is not 2:7:3, but rather 3:5:2? How would this change the number of each type of film?
What if Arthur wants to add more DVDs to his collection, but he doesn't know what type of film they are. How can he use mathematical concepts to determine the type of film?

References

[1] "Ratios and Proportions" by Math Open Reference
[2] "Algebraic Equations" by Khan Academy
[3] "Solving for x" by Mathway

Glossary

Ratio: A comparison of two or more numbers
Proportion: A statement that two ratios are equal
Algebraic equation: An equation that contains variables and constants
Solving for x: Finding the value of a variable in an equation
Q&A: Organizing a DVD Collection with Math =============================================

Introduction

In our previous article, we explored how to organize a DVD collection using mathematical concepts. We used ratios and proportions to find the number of each type of film and organized the collection in a logical and efficient way. In this article, we will answer some frequently asked questions about organizing a DVD collection with math.

Q: What if the ratio of comedy films to action films to horror films is not 2:7:3, but rather 3:5:2? How would this change the number of each type of film?

A: If the ratio of comedy films to action films to horror films is 3:5:2, we can still use the same mathematical concepts to find the number of each type of film. Let's say the total number of DVDs is still 96. We can set up a proportion to find the number of each type of film:

3x + 5x + 2x = 96

Combine like terms:

10x = 96

Divide both sides by 10:

x = 9.6

Now that we know x, we can find the number of each type of film:

Comedy films: 3x = 3(9.6) = 28.8
Action films: 5x = 5(9.6) = 48
Horror films: 2x = 2(9.6) = 19.2

Q: What if Arthur wants to add more DVDs to his collection, but he doesn't know what type of film they are. How can he use mathematical concepts to determine the type of film?

A: If Arthur wants to add more DVDs to his collection, but he doesn't know what type of film they are, he can use mathematical concepts to determine the type of film. Let's say he adds 12 new DVDs to his collection. He can set up a proportion to find the number of each type of film:

3x + 5x + 2x = 96 + 12

Combine like terms:

10x = 108

Divide both sides by 10:

x = 10.8

Now that we know x, we can find the number of each type of film:

Comedy films: 3x = 3(10.8) = 32.4
Action films: 5x = 5(10.8) = 54
Horror films: 2x = 2(10.8) = 21.6

Q: Can I use math to organize a collection of books or music?

A: Yes, you can use math to organize a collection of books or music. The same mathematical concepts we used to organize a DVD collection can be applied to other types of collections. For example, if you have a collection of books and you know the ratio of fiction to non-fiction books, you can use math to find the number of each type of book and organize your collection.

Q: What are some real-world applications of organizing a collection with math?

A: There are many real-world applications of organizing a collection with math. For example:

Organizing a music collection: If you have a large collection of music and you want to organize it by genre, you can use math to find the number of each type of music and organize your collection.
Categorizing books in a library: If you are a librarian and you want to categorize books in a library by genre, you can use math to find the number of each type of book and organize your collection.
Managing a inventory of products in a store: If you are a store owner and you want to manage your inventory of products, you can use math to find the number of each type of product and organize your inventory.

Conclusion

In this article, we answered some frequently asked questions about organizing a DVD collection with math. We used mathematical concepts to find the number of each type of film and organized the collection in a logical and efficient way. We also explored some real-world applications of organizing a collection with math.