An author receives $0.60 for each hardcover book or paperback book that is sold. there were x hardcover books and 38,000 paperback books sold of her most recent book. the author received a total of $51,000 for the book sales. the equation below can be used to determine the number of hardcover books that were sold. 0.60(x 38,000) = 51,000 how many hardcover books were sold?

Step-by-step explanation:

The given equation is

Where represents the number of hardcover books sold. To find the answer we just have to isolate the variable and solve.

First, we apply distributive property

Now, we isolate

This result means that the author sold 47000 hardcover books, which make him to gain $51000.

Therefore, the answer is 47,000 books.

345

step-by-step explanation: