Question

I sell 16 article for the same amount that I paid for 20 such articles.what is gain percentage​

Answer 1

Answer:

25%

Step-by-step explanation:

price of twenty articles = x;

price of one article = x/20// cp of 1 article

ATQ:

price of sixteen article  x;

price of one article =  x/16;

gain on 1 article = 20x-16x/320=x/80;

gain % = gain/cp of 1 article*100;

= 25%