Question

if the selling price of an article is twice the cost price the profit percentage

Answer 1

Step-by-step explanation:

Let Selling Price Be 'x'

Let Cost Price Be 'y'

By first Condition,

∴ 2x = y

∴ x - y = 2 ---------------(1)

Answer 2

Answer:

let

cost is x

profit be y

equation :

x=2y

x-2y =0