Question

Fifteen postcards cost₹ 2.25 . What would be the cost of 25 post cards ? How many post cards can we buy in ₹ 45 ?

Answer 1

cost of fifteen postcards = 2.25₹

cost of one postcards = 2.25/15

cost of twenty five postcards = 2.25/15×25

===> 3.75 ₹

postcards bought in 45 ₹ = 45/0.15

===> 300 postcards

Answer 2

Answer:

cost of 15 postcard =2.25rs

cost of one postcard=2.25/15

cost of 25 postcard=2.25/15×25

=3.75rs

postcard bought in rupees 45=45/0.15

= 300postcard