Question

The cost of a notebook is twice the cost of a pen. Write a linear equation In

two variables to represent this statement.​

Answer 1

QUESTION:- The cost of a notebook is twice the cost of a pen. Write a linear equation In two variables to represent this statement.

ANSWER:- cost of n.b = x

cost of pen = y

so ,

x - 2y = 0

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Answer 2

Answer:

let cost of pen be y

and cost if notebook be x

x=2y

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