Question

cost
OF a Note book is twice
the cost of pen
pen write a linear
equation in
two variables to represent
this statensent.​

Answer 1

Answer:

Let the cost of pen be 'x' . Then

Cost of note book = 2x

So, x = 2x

Answer 2

Answer:

Let the cost of a note book be x rupees

Let the cost of a pen be y rupees

It is given that,

cost of note book is twice the cost of a pen

cost of note book= 2×cost of pen

x=2y

x-2y=0

x-2y=0 is the linear equation in two variables.