James prints out 2 books. They are each 600 pages long. He prints out double-sided and 4 pages per side. How many sheets of paper does he use? Let's answer step by step:
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He printed 600 * 2 = 1200 pages. Each sheet of paper was 4 * 2 = 8 pages. So he used 1200 / 8 = 150 sheets of paper. The answer: 150.
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