Question

(a) the weight of 72 books is 9 kg. what is the weight of 20 such boxes?
(b)the weight of 25 bags is 60 kg. what is the weight of 35 such bags?​

Answer 1

Step-by-step explanation:

A)

given

weight of 72 books=9kg

weight of one book = 9/72

=0.125

weight of 20 book= 0.125 X 20

=2.5 kg

B)

weight of 25 bags= 60kg

weight of one bag= 60/25

=2.4 kg

weight of 35 bags= 2.4 X 35

=84 kg

hope it helps