Question

The weight of 65 books is 13 kg.
(1) What is the weight of 80 such books?
(11) How many such books weigh 6.4 kg?​

Answer 1

Answer:

1. 16kg is the right answer
2. 32 book s is the right answer

Answer 2

Answer:

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.

32 books weight 6.4kg

Step-by-step explanation:

Given :the weight of 65 books is 13kg

To Find :  how many such books weight 6.4kg

Solution:

Number of books weighing 13 kg = 65

Number of books weighing 1 kg =

Number of books weighing 6.4 kg =

Hence 32 books weight 6.4kg