Rehan buys a book and a pen and pays Rs 50 for both .The book cost Rs 8 more than twice the cost of the pen.Find the cost of the book
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Given that the values , you have to solve and get answer is B+p= 50 , 2p+ 8=b, b-2p= 8 . b+p 50, b-2p=8, now the multiply bottom by the two, b-2p=8, 2b+2p=100, 3b=108, 108/3=36=-b. book= 36 Rs.
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