Question

(1 mark each
The cost of a notebook is twice the cost of a pen. Write a linear equation in two
variables to represent this statement. (Take the cost of a notebook to betx and that
of a pen to be ₹ y​

Answer 1

Answer:

let the cost of a pen is y

cost of a notebook is x

according to ques

y = 2x

$2x - y = 0$

this is the required equation

i hope it will help u☺☺

Answer 2

Let the cost of a notebook to be = ₹ x

Let the cost of a pen to be = ₹ y

According to the question,

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

i.e., Cost of a notebook = 2×Cost of a pen

$→x = 2y$

$→x - 2y = 0$

x-2y = 0 is the linear equation in two variables yo represent the statement 'The cost of a notebook is twice the cost of a pen'.