If the selling price of an article is 8/5 times its cost price, the profit percent on it is =?

Question: If the selling price of an article is 8/5 times its cost price, the profit percent on it is =?

Solution:
According to the question,
Selling price = (8/5) × Cost price
⇒ Selling price/Cost price = 8/5

So, gain = 8 - 5 = 3

∴ The profit percent = (3/5) × 100
= 60%