Question 11
Two boys, Dudi and Gani, run back and forth between two points A and B at a constant speed without stopping. Dudi’s speed is $1\frac12$ times Gani’s speed. Dudi runs from A to B while Gani from B to A. They both start at the same time. The two boys meet for the first time at 800 meters away from B. How far are the boys from A when they meet for the second time?