Concept explainers
To determine the cost of a handover book.
Answer to Problem 15CCSR
Cost of hardcover book is $5
Explanation of Solution
Given information :
4 hardcover books and 2 softcover books cost $24
3 hardcover books and 3 softcover books cost $21
Let the price of hardcover books be
Hence the equation becomes,
Now we shall multiply first equation with 3 and second with 2 and then subtract second equation from first we get,
Hence the cost of hardcover book is $5
Chapter 9 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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