Question

the cost a notebook is twice the cost of a pan. write a linear eyuation in two variables to represent this statement.​

Answer 1

Answer:

Step-by-step explanation:

if the cost of book is x , then the cost of pen is 2x.

therefore,    x=2y

x-2y = 0

Answer 2

Answer:

Given :

Cost of notebook = twice the cost of pen

cost of notebook = Rs. x

cost of pen = Rs. y

Step-by-step explanation:

Find :

Write a linear equation in two variable to represent this statement ( the cost of a notebook is twice the cost of pen )

solution :

According to the question ,

Let the cost of notebook to be Rs. x

Let the cost of pen to be Rs. y

According to the information ,

the cost of a notebook is twice the cost of a pen

ie, cost of a notebook = 2 cost of pen

x = 2× y

x = 2y

x-2y = 0

Therefore

x - 2y = 0 is the linear Equation statement The cost of a notebook is twice the cost

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