Question

the weight of 12 sheets of a thick paper is 40 grams how many sheets would weight 1 kg

Answer 1

12 sticks weight = 40g
1 stick = 40/12 g

Hence x sticks = 1000g

=) x * 40/12 = 1000

=) x = 1000*12 / 40

=) x = 300.

Hope it's helpful to u.

Answer 2

Weight of one paper=40/12
Paper weighing 1000g=1000÷40/12
=1000×12/40
=25×12
=300sheets