Question

15 postcards cost Rs 2.25. what will be the cost of Rs 24 postcards? How many postcards can we buy in 45 Rs?​

Answer 1

Answer:

15 postcards costs =Rs. 2.25

1 postcard will cost =Rs.  

15

2.25

​  

=0.15

36 postcards will cost =Rs.0.15×36

                                    =Rs 5.40

And

In Rs. 2.25 we can buy =15 postcards

In Rs. 1 we can buy     =  

2.25

15

​  

 postcards

In Rs. 45 we can buy  =  

2.25

15

​  

×45 postcards

                                       =300 postcards

Step-by-step explanation: