Question

The weight of 56 books is 8 kg. What is the weight of 152 such books? How many such books weigh 5 kg?

Answer 1

Unitary method
56 books= 8kg
1 book will weigh= 8/56 kgs
So 152 such books will weigh= 8/56 x 152
                                               =21.714 kgs

Now, we have been asked how many such books will weigh upto 5 kg....
If 8 kg weight is of 56 books
Then 1 kg will be the weight of 56/8 books
And 5 kg will be the weight of 56/8 x 5 books
i.e., 7x5= 35 books
Hence 35 books will weigh upto 5 kg

Answer 2

Answer:

Step-by-step explanation:

Unitary method

56 books= 8kg

1 book will weigh= 8/56 kgs

So 152 such books will weigh= 8/56 x 152

                                              =21.714 kgs

Now, we have been asked how many such books will weigh upto 5 kg....

If 8 kg weight is of 56 books

Then 1 kg will be the weight of 56/8 books

And 5 kg will be the weight of 56/8 x 5 books

i.e., 7x5= 35 books

Hence 35 books will weigh upto 5 kg

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