Question

2) The cost of a note book is thrice the cost of a pen.Write a linear equation in two variables to represent this statement.Express it graphically.​

Answer 1

Answer:

let the cost of books be ₹x and that of pens be ₹ y .

then,

3y = x

and, x- 3y= 0

Answer 2

Answer:

Hey mate it answer

Step-by-step explanation:

Let the cost of a notebook be Rs. x and that of a pen be Rs. y.

Given

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

.

Then x=2y

or, x−2y=0.

This is the required linear equation in two variable.