Provide your best answer for the following math problem. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The problem is: the cost price of 8 articles is equal to the selling price of 5 articles . what is the profit percent ?
60 %
<To find the profit percent, first find the profit per article by subtracting the cost price from the selling price, then divide the profit per