Estimate how many books can be shelved in a college library with 3500 m2 of floor space. Assume 8 shelves high, having books on both sides, with corridors 1.5m wide. Assume books are about the size of this one, on average.
Number of books that can be shelved in a college library.
Answer to Problem 25P
Solution: The number of books that can be shelved in a college library of
Explanation of Solution
Assume each book is 20 cm deep and 4 cm wide. First, one needs to estimate how much floor space a book occupies and estimate how much floor space a shelf requires.
If one shelf has books on both sides, it should be 50 cm (0.5m) deep. This means that 8 shelves occupy:
depth
Therefore, all shelves cover
Now, one book covers a floor space of:
Therefore, the number of books (
Finally, the total number of books (
Conclusion:
Assuming that each book has
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