Calculate the text of the text. How much reams of paper to use for each book can be calculated from the number of text pages (1 page = 2 sides), the number of prints, and the number of prints.
Number of paper orders for text = number of pages × number of prints / (open number × 500)
Number of paper orders for the text = number of prints × printed sheets / 1000
Printed sheet = number of text sides / open number
Calculation of cover paper Calculation of cover paper and text paper are different. The front cover of a paperback book must be connected to the back cover and spine. The spine has wide and narrow widths, and some paperback books have kerf, which will inevitably affect the amount of paper used for the cover.
Number of cover paper orders = number of prints / (number of full-page paper covers × 500)
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