Question

cost of pen is half that of a book of both cost of rupees 15 then cost of a book is
please answer fast with step by step
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Answer 1

Answer:

7.5 is the answer of your question

Answer 2

Cost of the book= ₹15
Cost of the pen= 15*2= 7.5
So, the the pen is of 7 rupees and 50 paise