Question

weight of 56 books are 8 kg what is the weight of 1such ​

Answer 1

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Step-by-step explanation:

Weight of 56 books =8Kg. Using Unitary Method. 1 Kg Contains=56/8=7books.

Answer 2

Step-by-step explanation:

Explanation: 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.