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. The cost of a notebook •is twice the cost of a pen. Write a. linear equation in two variables to represent this sta.tement. ( Take the cost of a notebook to be r x and that of a pen to be r y).

. The cost of a notebook •is twice the cost of a pen. Write a. linear equation in two variables to represent this sta.tement.
( Take the cost of a notebook to be r x and that of a pen to be r y).

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 6228 Points
3 months ago
Let cost of a notebook = f x and cost of a pen = ' y. According to given condition, x = 2y x - 2y = 0.

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