Question

72 notebook weight 8 kg.what is the weight of 81 such notebook? how many such notebook will weight 6 kg .​

Answer 1

Answer is attached above.

Answer 2

Answer:

Weight of 72 notebooks = 8

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

Weight of 81 such notebooks = 1/9 × 81 = 9kg

Let the number of notebooks be 'x'.

Weight of 'x' notebooks = 6

Number of notebooks = 1/9x = 6

This implies, x = 6 × 9 = 54

Hence, 54 notebooks will weigh 6kg.

Hope this helps you!

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