Question

The cost of a note book is 25 leas than . Twice the cost of pen write this equation in 2 variables

Answer 1

Answer:

Cost of Pen is x

Cost of Notebook is 2x-25

Step-by-step explanation:

Answer 2

Answer:

x+2y=25

Step-by-step explanation:

Let the cost of the note be:Rs x

Let the cost of the pen be :Rs y

According to the question, x=25-2(y).

x+2y = 25.

SO THE EQUATION IN 2 VARIABLE IS x+2y = 25