Question

the cost price of an article is 25% below the marked pice. if the article is available at 15% discount and its cost price is rupees 2,400; find: (i) it's marked price (ii) it's selling price (iii) the profit percent

I want with the rough work not only the answer ​

Answer 1

I tried answering your question but it said I have added links or inappropriate words. Just take a look on the pictures below. Those are my solutions.