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if the price of 3 books,2 copies, 1 pen is 320, and the price of 2 books, 3 copies, 4 pens is Rs 230 then what is the price of 1 book, 1 copy and 1 pen?

  • maths - ,

    3b+2c+p = 320
    2b+3c+4p = 230

    c + 2b = 210
    b - p = 100
    subtract and you have

    c+b+p = 110

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