The price of a pen is 5 rupees more than that of a pencil.The price of a book is 7 rupees more than twice of the price of a pencil.A man bought cach of these items,it cost 52 rupees.
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Step-by-step explanation:
Let say, X = pencil price
X +5 = pen
2X + 7 = book
Total = 52
X + X + 5 + 2X +7 = 52
4X + 12 = 52
4X = 40
X = 10
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