in a stationary shop the cost of a pen is Rs.5 less than the cost of a notebook. Arun bought 5 pens and 3 notebooks from the shop. If she paid Rs.127 to the shopkeeper what is the cost of each item.
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Notebook=x
Pen=x-5
5(x-5)+3x=127
5x-25+3x=127
8x=152
X=19rs
Pen=19-5=14rs
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