Question

the weight of the 80 books is 10 kg what is the weight of the 72 such books​

Answer 1

☞Question:

The weight of the 80 books is 10kg what is the weight of the 72 such books.

☞Solution:

☞Given:

Weight of 80 books = 10kg

☞To find:

Weight of 72 books = ?

☞How to solve:

☞The weight of the 80 books = 10kg

☞The weight of the 1 book =

weight of 10 books / no. of books

= 10/80

= 0.125 kg

☞The weight of 72 books =

weight of 1 book × no. of books

= 0.125kg × 72

= 9kg

☞Therefore , weight of 72 books is 9kg.