Question

The weight of 56 books is 8 kg what is the weight of 154 such books? How many such books weight 5 kg question mark

Answer 1

Weoght of 56 books =8Kg.

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

Weight of 1 book =8/56=1/7 Kg

So weight og 154 such books=154/7=22Kg

And

Books weinghing 5Kg=5×7=35Books...

Hope it Helps...
Regards,
Leukonov.

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Answer 2

1. The weight of 154 such books is 22 kg.
2. 35 books weigh 5 kg.

Step-by-step explanation:

Given, the weight of 56 books is 8 kg.

Finding the weight of 154 booos.

Then the weight of 1 books is $\dfrac{8}{56}$ kg = $\dfrac{1}{7}$ kg

So, the weight of 154 such books is $\dfrac{1}{7}\times 154$ = 22 kg

Finding how many books weigh 5 kg.

$\dfrac{1}{7}$ kg is the weight of 1 book

Then 1 kg is the weight of $\dfrac{1}{\dfrac{1}{7}}$ = 7 books

So, 5 kg is the weight of 5 × 7 = 35 books