Hi all, in going through both 3rd & 2nd class Thermo questions I see a question asking to find the find the resultant T of a mixture of steel ball bearings at 100C and water at 20C. This is the first question in both the 3rd and 2nd class specimen question banks and seems quite straight forward however I seem to be struggling in trying to find the correct answer. Has anyone out there seen this question and can provide some help.