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If she sits on a single sitter with dimensions 105cm by 18cm, what is the maximum number of books she can put on the upper deck at a time?

Area of upper desk = L x W
= 105cm x 18cm
= 1890 cm²

Area of a single book = L x W
= 21cm x 2cm
= 42 cm²

Maximum number of books = (Area of upper desk) / (Area of a single book)
= 1890 cm² / 42 cm²

Answer :

To determine the maximum number of books that can be placed on the upper deck of the single sitter, we need to calculate how many times the area of a single book can fit into the area of the upper desk.

First, let's review the calculations:

  1. Area of the Upper Desk:
    [tex]\text{Area of upper desk} = L \times W = 105\,\text{cm} \times 18\,\text{cm} = 1890 \,\text{cm}^2[/tex]

  2. Area of a Single Book:
    [tex]\text{Area of a single book} = L \times W = 21\,\text{cm} \times 2\,\text{cm} = 42 \,\text{cm}^2[/tex]

  3. Maximum Number of Books:
    [tex]\text{Maximum number of books} = \frac{\text{Area of upper desk}}{\text{Area of a single book}} = \frac{1890 \,\text{cm}^2}{42 \,\text{cm}^2} = 45[/tex]

Therefore, the maximum number of books that can be placed on the upper deck of the single sitter is 45 books.

This calculation assumes that the books are placed perfectly without any gaps or overlap, and their orientation allows them to fit within the given dimensions of the upper desk. In real-world situations, it might vary slightly due to spacing or book orientation.

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Rewritten by : Barada