Problem K. 70. (January 2006)
K. 70. A merchant paid 6000 Ft for a product. What price should he write on it so that he having reduced this price by 10 percent he still make 20% profit.
(6 pont)
Deadline expired on 10 February 2006.
Sorry, the solution is available only in Hungarian. Google translation
Megoldás: Ha a keresett ár x, akkor 0,9x=1,2^{.}6000. Innen x=8000 (Ft).
Statistics:
215 students sent a solution.  
6 points:  109 students. 
5 points:  67 students. 
4 points:  9 students. 
3 points:  6 students. 
2 points:  7 students. 
0 point:  10 students. 
Unfair, not evaluated:  7 solutions. 
