Problem P. 4818. (March 2016)
P. 4818. Hansel and Gretel live at a distance of 250 metres from each other. They both leave the house at half past seven in the morning. Gretel walks at a speed of 1.1 m/s towards the school. Hansel  since he lives further  walks at a speed of 1.5 m/s. Hansel just catches up with Gretel at the schoolgate. How far does Gretel live from the school? At what time did they enter the school?
(3 pont)
Deadline expired on 11 April 2016.
Statistics:
107 students sent a solution.  
3 points:  79 students. 
2 points:  20 students. 
1 point:  6 students. 
Unfair, not evaluated:  2 solutions. 
