Question

The weight of 72 books is 9 kg.
(a) Find the weight of 80 such books.
How many books will weigh 6 kg?
(b)​

Answer 1

here is your answer

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Answer 2

Answer:

Weight of 72 books=9kg

Weight of 1 book=9/72=1/8kg

Therefore, weight of 80 books=1/8×80=10kg

Thus, the weight of 80 such books is 10kg.

no of books that weight 6kg =6/0.125.

or 6÷1/8kg

which is = 48

48 book will weight 6kg