Rendelje meg a KöMaL-t!
Matematika oktatási portál
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.
This problem is for grade 9 students only.
Deadline expired on 10 February 2006.
Google Translation (Sorry, the solution is published in Hungarian only.)
Megoldás: Ha a keresett ár x, akkor 0,9x=1,2.6000. Innen x=8000 (Ft).
Statistics on problem K. 70. 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.