Question

The cost of a notebook is twice the cost of a pen. Represent this statement as a linear equation in two variables.

Answer 1

Let the cost of a notebook be x.
And, the cost of a pen be y.
A/q: x = 2y
x - 2y = 0

Answer 2

Hi ,

Let the cost of a pen = Rs x

cost of a note book = Rs y

According to the problem given,

The cost of a note book is twice the

cost of a pen.

y = 2x

It is required linear equation in two

variables.

I hope this helps you.

: )