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 February 10, 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 solutionss.

Problems in Mathematics of KöMaL, January 2006