Problem K. 609. (January 2019)

K. 609. Given that 50 minutes ago the time past 3 p.m. was four times as many minutes as the time to 6 p.m. (in the same afternoon), what time is it now?

(6 pont)

Deadline expired on February 11, 2019.

Sorry, the solution is available only in Hungarian. Google translation

Megoldás. Legyen most az idő \(\displaystyle x\) perc múlva \(\displaystyle 6\) óra. A szöveg alapján \(\displaystyle (360-x)-50=180+4x\), ahonnan \(\displaystyle x = 26\). Tehát 26 perc múlva lesz 6 óra.

Statistics:

196 students sent a solution.
6 points:	114 students.
5 points:	5 students.
4 points:	5 students.
3 points:	41 students.
2 points:	5 students.
1 point:	1 student.
0 point:	1 student.
Unfair, not evaluated:	5 solutionss.
Not shown because of missing birth date or parental permission:	19 solutions.

Problems in Mathematics of KöMaL, January 2019