1. The problem statement, all variables and given/known data If 10 kilogram of ice at zero degrees celsius is added to 20 kilogram of steam at 100 degrees celsius, what is the temperature of the resulting mixture? 2. Relevant equations uhm... perhaps how many solutions are required to arrive at the answer? 3. The attempt at a solution I and some of my classmates arrived at 16.11 degrees celsius but my instructor said its wrong. He said the answer is around 40 degrees celsius. Now, he gave it as an assignment to us to find the correct solution.