Question

2. The weight of 1 gross books of the same type is 36 kg. What is the weight of such
12 books?
(1) 0.3 kg
(2) 2.4 kg
(3) 0.25 kg
(4) 3 kg​

Answer 1

Answer:

(4) = 3kg.

Step-by-step explanation:

36 kg = square dozen or 144 items(books)

x = 12items(books)

36/x = 144/12

x/36 = 1/12

x= 36/12

x= 3kg

Answer 2

Step-by-step explanation:

1gross=144 article

36kg=36000 g

=36000÷144

=250

=250×12

=3000g=3kg

Weight of 12 such book is 3 kg