The price of 4 notebooks and 7 pens is 115 Rs and the price of 4 notebooks and 2 pens is 90.what is the price of a notebook and what is the price of a pen?
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sorry don't know plzz mark me as brainliest
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price of 1 notebook = 20 rs
price of 4 notebook = 80 rs
price of 1 pen = 5 rs
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