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The cost of a notebook $(y)$ is twice that of a pen $(x)$ . Write a linear equation to represent this statement.

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y = x + 2

y = 2 x

y = x

y = x - 2

answer is B.

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Detailed Solution

Given that the cost of a notebook is twice that of a pen.
Let cost of a notebook as

y

and cost of a pen as

x

.
Therefore, according to the given condition,

y = 2 x

… which is the required linear equation.
Hence, the correct option is 2.

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