Question

the weight of 56 books in 8 kg. what is the weight of 152 such books? how many such books weight 6 kg.

Answer 1

weight of 56 books =8 kg
weight of 152 books = x
56/152=8/x
28/76=8/x
x =8*76/28
x =21.7 kg

56/x=8/6
x =4*56/3
x=74 74 books will weight 6 kg

Answer 2

Answer:

Weight of 56 books= 8kg

Weight of 1 book= 56/8

==> 56/8= 7

==> Weight of 1 book is 7

Weight of 152 books= 7*152

==>7*152=1064

<==> 1064kg is the weight of 152 such books