Question

The weight of 72 books is 9kg. what is the weight of 40 such books.​

Answer 1

Weight of 72 books = 9

Weight of 1 book = 1/8

Weight of 40 books = 5 kg

Answer 2

Heya mate,

Here's your answer

=> 5 kg

Hope it helps you!

Plz mark my answer as branliest ☺️❤️