Concept explainers
To find: the number of hard cover books must a dealer sell to take in as much money as he/she does for 30 paperback copies.
Answer to Problem 15P
The numbers of hard cover books are 9.
Explanation of Solution
Given information:
A hard cover book sells for $16.50. The same title in paperback sells for $4.95.
Calculation:
Let, consider the number of hard cover books be
A hard cover book sells for $16.50. The same title in paperback sells for $4.95.
So, as per given information, write the equation as,
Now, solve the equation as shown,
So, the numbers of hard cover books are 9.
Chapter 3 Solutions
Algebra: Structure And Method, Book 1
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