Question

15 postcards cost rupees 11.25
1) what will be the cost of 36 postcards
2) how many postcards can we buy for rupees 225

Answer 1

Answer:

1) 27 & 2)300

Step-by-step explanation:

1) 15 postcards cost 11.25

then 36 postcards = ?

= 36*11.25/15

2). Of 11.25 rupees we get 15 postcards

so of 225 rupees = ?

= 225*15/11.25

Answer 2

step by step explanation-

15 postcards cost - 11.25

1 postcard cost - 11.25÷15

36 postcard cost- 11.25÷25×36 = 0.75×36= 27