the price of 3 note books and 5 pens together is 75 rupees. the price of 3 note books and 10 pens together 90 rupees. what is the price of a notebook? what is the price of a pen?
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the price of 3 note books and 5 pens together is 75 rupees. the price of 3 note books and 10 pens together 90 rupees. what is the price of a notebook? what is the price of a pen?
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see the above pic it will help you
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