Math, asked by Yuvrajsandhu50501, 1 year ago

if 15 postcard coat is 7.50 . what will be the cost of 36 such postcard . also find the numbers of postcard can buy for rupees 45​

Answers

Answered by Kartikverma19
20

Answer:

cost of 15 postcards=7.50

cost of 1 postcard=7.50/15

=75/150

=0.5

cost of 36 postcards=36*0.5=18

number of postcards for 45 rupees=45/0.5

=450/5

=90

Answered by yashikarawat48
0

Step-by-step explanation:

Cost of 15 cards=7.50

Cost. Of 1 card. =0.60

Cost. Of 36 card =36×0.50

=18rupees

In 45 rs we can get 45/0.50

=90 cards

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