Question

A library had 811 books. If 11 books were torn, how many books are left? How many shelves will be required to keep the books, if 8 books can be kept in each shelf?

Who will answer this question
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Answer 1

If 11 books were torn, then the number of books left = 811 – 11 = 800

• 8 books = 1 shelf
• 800 books = x shelfs

$:\implies \: \frac{8}{800} = \frac{1}{x}$

$:\implies \: \frac{1}{100} = \frac{1}{x}$

$:\implies \: x = 100$

Thus, 100 shelfs are required to keep 800 books.

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Answer 2

Answer:

800 books are left .

800/8 = 100

so , 100 self's are required .