VIJAYALAKSHMI CHAVHAN

6y ago

Subhash makes a profit of Rs. 220, if he sells a certain number of pens he has at the price of Rs. 5 per pen and incurs a loss of Rs. 110, if he sells the same number of pens of Rs. 3.5 per pen. What should be the selling price of all the pens in order to make a profit of 30%?