Question

The cost of a note book is three times the cost of pen .
Write a linear equation in two Variables to
represent this statement
​

Answer 1

Answer:

x+3y=0

Step-by-step explanation:

the cost of the nb(notebook)=x

the cost of pen =3y

x+3y=0 ans

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Answer 2

Answer:

LET THE COST OF NOTEBOOK BE RS x AND COST OF PEN BE RS y

Step-by-step explanation:

GIVEN:

COST OF NOTEBOOK=2 * COST OF PEN

x = 2y

x - 2y = 0

hence, x - 2y = 0 is  LINEAR EQUATION WITH TWO VARIABLES