Problem M. 277. (March 2007)
M. 277. Measure in which case will a cup of milk coffee be colder: if cold milk is poured into the hot coffee immediately and then the mixture is left to cool down for a while, or if the hot coffee is left to cool for the same time as in the previous case, and then cold milk is is added.
Deadline expired on April 11, 2007.
17 students sent a solution. 6 points: Fialowski Melinda, Kőrösi Márton, Láng Marcell, Pásztor Árpád, Roósz Gergő, Szerző 147 Péter, Tüzes Dániel. 5 points: Borák Balázs Sándor, Mészáros 639 Ágnes, Meszéna Balázs, Szél Péter, Vida György. 4 points: 3 students. 3 points: 1 student. Unfair, not evaluated: 1 solution.