Question

The Cost of a Notebook is twice the cost of pen. Write linear equations Variables To represent this statement.
Please Answer Correctly

Answer 1

Step-by-step explanation:

Given: The Cost of a Notebook is twice the cost of pen.

To find: Write linear equations in two Variables, to represent this statement.

Solution:

Let the cost of Notebook is x rupees.

Cost of pen is y rupees.

ATQ

Cost of a Notebook is twice the cost of pen,so there must be a relation between cost of both.

$x = 2y$

Since cost of Notebook is already twice,so to balance the equation,multiply 2 with y.

or

$x - 2y = 0$

This is representation of situation in two variables.

Final answer:

Representation in two variables is x-2y=0

Hope it helps you.

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