Algebraic Representation Math Example 3

Follow the full solution, then compare it with the other examples linked below.

Example 3

easy
Write an expression for the total cost of nn books at \$8 each.

Solution

  1. 1
    Cost per book is \8,andthereare8, and there are n$ books.
  2. 2
    Total cost: C=8nC = 8n.

Answer

C=8nC = 8n
Algebraic representation lets us express relationships that work for any number of books, not just specific values.

About Algebraic Representation

Using algebraic expressions and equations to represent and analyze mathematical relationships and real-world situations.

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More Algebraic Representation Examples

Example 1 easy

Represent this situation algebraically: 'Sarah has 5 more apples than Tom. Together they have 23 app

Example 2 medium

Write an algebraic formula for the perimeter of a rectangle with length [formula] and width [formula

Example 4 medium

A taxi charges [formula]2 per mile. Write a formula for the fare [formula] in terms of miles [formul

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