Problem C. 1289. (April 2015)
C. 1289. We have 5 fiveforint coins, 10 tenforint coins and 20 twentyforint coins (HUF, Hungarian currency). In how many different ways can we pay 500 forints with these coins?
(5 pont)
Deadline expired on 11 May 2015.
Statistics:
156 students sent a solution.  
5 points:  113 students. 
4 points:  13 students. 
3 points:  6 students. 
2 points:  4 students. 
1 point:  16 students. 
0 point:  4 students. 
