Question

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



Please solve this....

Answer 1

Answer:

let ball pen X

fountain pen Y

x-y=5

Answer 2

Let the cost of a ball pen be x rupees

and the cost of fountain pen be y rupees

According to the question

$x= \frac{y}{2} -5 \\ </p><p>2x = y - 10 \\ 2x - y + 10 = 0</p><p>$

So, the required equation is 2x-y+10=0