Question

The weight of 65 books is 13kg what is the weight of 80 such books?

Answer 1

Heyaa :)
Here's the answer which you are looking for.

Weight of 65 books =13 kg

Weight of one book =1/5 kg.

Weight of 80 such books = 80*1/5=16 kg.

Answer 2

Heya friend,

Here is your answer-:

Weight of 65 books = 13Kg
Weight of 1 book= 13/65
= 1/5

Weight of 80 books = 1/5*80
=16kg

Hope it helps...!!!