Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
Already signed up?
New to KöMaL?

Problem C. 1310. (October 2015)

C. 1310. Alex took \(\displaystyle 19\,500\) forints (HUF, Hungarian currency) with him on a four-day trip. On each day, he spent one third of his remaining money plus a constant amount. What was the constant amount if his money lasted just until the end of the trip?

(5 pont)

Deadline expired on November 10, 2015.


342 students sent a solution.
5 points:252 students.
4 points:11 students.
3 points:9 students.
2 points:15 students.
1 point:15 students.
0 point:27 students.
Unfair, not evaluated:13 solutionss.

Problems in Mathematics of KöMaL, October 2015