## Two jugs riddle - Systematic Problem Solving

You have to fill exactly 4 litre of water into a 5 litre jug. You also have a 3 litre jug and a large tank full of water. You are free to fill or pour from anywhere to anywhere. Can you solve it? If so, how many ways can you do it? How many solutions can you find? Recommended time limit is 15 minutes...