Evaluate 50% of 1 300 liters

650, what you do is a precent is always out of 100 so 50% out of 100 is. 50 and of means multiply so you do. 50 x 1,300 and you get your answer. If you want a different way 50% is always half of something so you can do 1,300 / 2 and you get 650.