The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement.

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30-11-2017
Mathematics

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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 statement.

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chaynjjason chaynjjason · Answer 1 · 2017-12-04T17:23:35+01:00

chaynjjason chaynjjason

04-12-2017

Let the cost of the notebook be Rs x and the cost of the pen be Rs y

It is given that the cost of the notebook = 2 x cost of pen

x=2y

x-2y=0

x-2y=0 is the linear equation with two variables

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