Problem P. 4693. (January 2015)
P. 4693. What is the temperature measured in Kelvins at which a mercury-in-glass thermometer reads the same value in Celsius and in Fahrenheit scale, and what is this same value?
Deadline expired on February 10, 2015.
118 students sent a solution. 3 points: Csire Roland, Di Giovanni Márk, Fónai Martin, Szöllősi Péter, Takács Péter György, Tibay Álmos, Tihanyi Áron, Tófalusi Ádám, Török Tímea, Wiandt Péter. 2 points: 95 students. 1 point: 9 students. 0 point: 4 students.