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In the 1989 Loma Prieta earthquake in California, approximately 2 million books fell off the shelves at the Stanford University library. If you were the library administrator and wanted to hire enough part-time student labor to put the books back on the shelves in order in 2 weeks, how many students would you have to hire? (You may assume that the books just fell off the neighboring shelves and got a bit mixed up but books in different aisles did NOT get shuffled together.)

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Page last modified September230, 2009: G11