Question

4 pens and 5 pencils together cost Rs 25.represent this in the form of linear equation in two variables.

Answer 1

Answer:

Let the cost of pen be 'x' and the cost of pencil be 'y'

⇒5x+6y=9

⇒3x+2y=5

From Equation (2) ; ⇒2y=5−3x

Step-by-step explanation:

Substituting above in equation (1);

⇒5x+15−9x=9

⇒4x=6

⇒x=

2

3

⇒y=

4

1

⇒cost of 1 pen =x=1.5rs

⇒cost of 1 pencil =y=0.25rs

Answer 2

Step-by-step explanation:

Here is your answer. Hope you understand this.

Thank you.