The weight of 12 sheets of a thick paper is 40 grams. How many sheets would weight 1 kg?
More the no of sheets, more will be the weight. So it is a direct proportion.
Let the sheets be x, 
⇒ x = 
= 300
5
The weight of 12 sheets of a thick paper is 40 grams. How many sheets would weight 1 kg?
More the no of sheets, more will be the weight. So it is a direct proportion.
Let the sheets be x,
⇒ x = = 300