Question

the weight of 45 books is 9kg.find weight of 80 books?​

Answer 1

Answer:

Here is ur answer

Plzz mark it as brainaliest if it helps.

Step-by-step explanation:

weight of one book= 45/9

= 5 kg

Now weight of 80 books= 5*80

= 400 kg

Answer 2

Here is your answer

step-by-step explanation

Weight of 45 books = 9kg

9kg = 9000 g

so, weight of 1 book = 9000/45

=200 g

so,

weight of a 80 books = 80 * 200

=16000 g

that is = 16 kg

Therefore the weight of the

80 books is 16 kg .

I hope it will help you