Math Problem Statement

Question 14

A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (such as editing) and variable costs (such as printing). The one-time fixed costs will total

$46,966

. The variable costs will be

$11.50

per book. The publisher will sell the finished product to bookstores at a price of

$23

per book. How many books must the publisher produce and sell so that the production costs will equal the money from sales?

Solution

To solve this problem, we need to find the number of books the publisher must sell to break even, which means the total costs will equal the total revenue.

Let:

  • xx = number of books sold.

The total cost consists of:

  1. Fixed costs = $46,966
  2. Variable costs per book = $11.50

Thus, the total cost C(x)C(x) is given by:

C(x)=46,966+11.50xC(x) = 46,966 + 11.50x

The total revenue is the money earned from selling the books, where each book is sold at $23. Therefore, the total revenue R(x)R(x) is:

R(x)=23xR(x) = 23x

To find the break-even point, set the total cost equal to the total revenue:

46,966+11.50x=23x46,966 + 11.50x = 23x

Now, solve for xx.

  1. Subtract 11.50x11.50x from both sides:

46,966=23x11.50x46,966 = 23x - 11.50x

46,966=11.50x46,966 = 11.50x

  1. Divide both sides by 11.50:

x=46,96611.50=4083.13x = \frac{46,966}{11.50} = 4083.13

Since the number of books must be a whole number, the publisher must sell 4,084 books to break even.

Conclusion:

The publisher must sell 4,084 books to cover all the production costs.


Would you like a more detailed explanation or have any further questions?

Here are 5 questions related to this problem:

  1. What is the concept of fixed costs and variable costs in business?
  2. How would the break-even point change if the variable costs per book increased?
  3. What happens if the selling price per book decreases?
  4. How can the publisher increase profits after reaching the break-even point?
  5. How does the formula for break-even analysis apply in other industries?

Tip: Always separate fixed and variable costs when calculating the break-even point. It helps in understanding how different factors influence the overall cost.

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Math Problem Analysis

Mathematical Concepts

Linear equations
Break-even analysis

Formulas

Total cost = Fixed cost + Variable cost per unit × Number of units
Total revenue = Selling price per unit × Number of units
Break-even point: Fixed cost + Variable cost × Number of units = Selling price × Number of units

Theorems

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Suitable Grade Level

Grades 9-11