Question

Can anyone help me?
An author receives $0.75 for each hardcover book or paperback book that is sold. There were x hardcover books & 42,000 paperback books sold of her most recent book. The author received a total of $60,000 for the book sales. The equation below can be used to determine the number of hardcover books that were sold.
0.75(x + 42,000) = 60,000
How many hardcover books were sold?

Answer 1

Answer:

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