The cost of ball pen is Rs.5 less than half of the coast of fountain pen. Write this statement as a linear equation in two variables.

The cost of ball pen is Rs.5 less than half of the cost of fountain pen. Write this statement as a linear equation in two variables.

The cost a pen is Rs 5 less than half of the cost of book.Write this statement as a linear equation in two variables.

The cost of 4 pens and 4 pencils boxes is Rs. 100. Three times the cost of a pen is Rs. 15 more than the cost of a pencil box. Form the pair of linear equations for the above situation. Find the cost of a pen.

The cost of 4 pens and 4 pencil boxes is Rs. 100. Three times the cost of a pen is Rs. 15 more than the cost of a pencil box. Form the pair of linear equations for the above situation. Find the cost of a pen and a pencil box.

The cost of 4 pens and 4 pencils boxes is Rs. 100. Three times the cost of a pen is Rs. 15 more than the cost of a pencil box. Form the pair of linear equations for the above situation. Find the cost of a pen and a pencil box.

The cost of 5 pencils is equal to the cost of 2 ballpoints. Write a linear equation in two variables to represent this statement. ( Take the cost of a pencil to be Rs. x and that of a ballpoint to be Rs. y).

The cost of a note book is twice the cost of a pen. Write a linear equation in two variables to represent this statement.

The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement.

If the cost of the 20 pens is Rs.180, calculate the cost of 5 pens

The cost of 3 pens and 5 pencils is Rs 40. Find the cost of 12 pens and 20 pencils