Answer:
Total 390 hardcover books were sold
Step-by-step explanation:
Complete question 
The author received a total of $195,000 for the book sales. How many hardcover books were sold if the cost of one hardcover book is  $500. Type in numbers only.
Solution 
Given- 
Total value of sale of hard cover = $195,000
Cost of one hardcover book = $500
Number of books sold = Total value of sale of hard cover/Cost of one hardcover book
Number of books sold =   $195,000/$500
Number of books sold = 390
Total 390 hardcover books were sold. 
 
        
             
        
        
        
What grade are you in?      
I need to know so that I can help you out.
        
             
        
        
        
Answer:
b. (4,1/2)
Step-by-step explanation:
 
        
             
        
        
        
The answer to the equation is 5 7/15