the cost of a notebook is twice the cost of a pen .write a linear equation in two variable to represent this statement.
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let the cost of notebook be Y and cost of pen be X.
A / q ,
Y = 2X
A / q ,
Y = 2X
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Answered by
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let the cost of a pen be x
then the cost of a notebook is 2x
then the cost of a notebook is 2x
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