Answer:

Solution:

Let the cost of one notebook be ₹ x

Let the cost of one pen be ₹ y

Therefore, we can write the required linear equation in two variables considering the given information as,

Cost of notebook = 2 × Cost of pen

⇒ x = 2y

Since any linear equation in two variables is expressed as: ax + by + c = 0,

∴ x - 2y = 0 is the required linear equation in two variables which represents the given information

Answer:

Let the cost of a notebook be Rs. x and that of a pen be Rs. y.

Let the cost of a notebook be Rs. x and that of a pen be Rs. y.Given the cost of a notebook is twice the cost of a pen.

Let the cost of a notebook be Rs. x and that of a pen be Rs. y.Given the cost of a notebook is twice the cost of a pen.Then x=2y

Let the cost of a notebook be Rs. x and that of a pen be Rs. y.Given the cost of a notebook is twice the cost of a pen.Then x=2yor, x−2y=0.

Let the cost of a notebook be Rs. x and that of a pen be Rs. y.Given the cost of a notebook is twice the cost of a pen.Then x=2yor, x−2y=0.This is the required linear equation in two variable.

Step-by-step explanation:

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