The hardcover version of a book weighs 7 ounces while its paperback version weighs 5 ounces. Forty-five copies of the book weigh a total of 249 ounces. Weight of Books Number Weight per book of Books (ounces) h 7 45-h 5 45 Total Weight (ounces) 7h Hard Cover Paperback Total x 249 Which value could replace x in the table?
A. 40-h
B. 50 -h
C. 5(45) - h
D.5(45-h)
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