Concept explainers
To write and evaluate an expression in order to find out the total cost of the books.
Answer to Problem 62PPE
Expression is
Explanation of Solution
Given information :
Cost of one new book bought by Akira = $20
Cost of one used book by Akira = $4.95
Calculation :
Let the cost of 1 new book be = $ x
And the cost of 1 used book =$ y
Thus, total cost of 1 new book and 3 used books = $
Thus, cost of all books is calculated as
Chapter 1 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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