The Little Prince lives on a tiny planet with his beloved Rose. One day, he decides to travel and visit three neighboring asteroids.[br][list][*]At the first asteroid, he spends [math]\frac{1}{4}[/math] [b]of his total travel time[/b] talking to a King.[br][/*][*]At the second asteroid, he spends [math]\frac{2}{5}[/math] [b]of his total travel time[/b] talking to a Businessman.[br][/*][*]At the third asteroid, he spends exactly [b]7 hours[/b] talking to a Geographer.[br][/*][/list]After that, he immediately flies back to his planet.