Question

the total weight of 56 books are 8kg what is the weight of 752 such books​

Answer 1

Answer:

If a set of 56 books weighs 8000 grams, you can get average weight of a book, which is

8000

56

=

142.86

grams.

Now you can compute weights of 152 books

=

152

⋅

142.86

=

21715

grams or approximately 21.7 kg.

If you want to buy 5 kg book, you need to get

5000

142.85

=

35

books. In other words, 35 books weigh 5 kg (or 5000 grams).

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Answer 2

Number of books = 56
Weight of 56 books = 8 kg
Weight of one book = 8/56 kg
Weight of 752 books = 8/56 x 752 = 752/7 = 107.43 kg