Question

If 1kg of fish costs 200 rupees, what will be the cost of 700 grams?

Answer 1

Cost of 1kg=200
Cost of 1000gm=200
Cost of 1gm=200/1000=1/5
Cost of 700gm=700/5=140
Cost of 700grams fish = Rs 140

Answer 2

1000g=200 rs
700g=?
Ans:140 rs