mutual sold an item for sh.3250 after allowing his customers a 12% discount on the marked price. if he had sold the article without giving a discount, he would have made a profit of 25%.calculate the percentage profit he made by selling the article at a discount?​

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters