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maths --plse help me..

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In a purse there are 20-rupee notes 10-rupee notes and 5-rupee notes. the number of 5-rupee notes exceeds two times the 10-rupee notes by one. the 20-rupee notes are 5 less than the 10-rupee notes. if the total value of the money in the purse is Rs185 find the number of each variety of notes.

  • maths --plse help me.. -

    Let #10-rupee = x, then #5-rupee = 2x+1 and #20-rupee = x-5.

    x + (2x+1) + (x-5) = 185

    Solve for x, then the other expressions.

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