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
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Answered by
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
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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