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. Which value could replace x in the table? 40 – h 50 – h 5(45) – h 5(45 – h)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.


Which value could replace x in the table?

40 – h
50 – h
5(45) – h
5(45 – h)