Question

1 kg of cherries cost rs.40 what is the cost of 250 gm.

Answer 1

Hey
1 kg costs -----------40
or
1000gm costs----------40
Therefore ,
1gm costs -----------40/1000

Hence 250gm costs,
------------40*250/1000 = 10rs. answer.

Hope it helps :))

Answer 2

we will divide 250/1000 to make unit same than we will multiply it by 40 to get the answer