Question

25 m of cloth costs rs 1012.50. what will be the cost of 20 m of cloth of the same kind and how many metres of cloth of the same kind can be bought for rs 1620

Answer 1

cost of 25m=1012.50
cost of 1m=1012.50/25=40.5
cost of 20m=40.50×20=810
cloth can be bought=1620/40.5=40m

Answer 2

cost of 25m of cloth = rs. 1012.5

cost of 1 m of cloth = 1012.5 / 25 = 40.5 rs.

cost of 20 m cloth = 40.5 * 20 = 810 rs.

cost of x meters of cloth = 1620 / 40.5 = 40 m

#hope it helps