Question

The cost of 27 kg of iron is rs. 1080. What will be the cost of 120 kg of iron of the same quality?

Answer 1

If the cost of 27 kg of iron is rs.1080.
then cost of 1 kg of iron=
1080/27=40rs.

then cost of 120 kg of iron of the same quality is
120×40=4800 rs.

Answer 2

cost of 1kg iron equal to 1080/27=40

cost of 120 kg equal. to 120 x 40 =4800